# Bloghints.com > Practical hints for bloggers and webmasters Hand-checked lists of web directories, forums, social bookmarking and blog commenting sites, SEO guides for beginners, SEO tools, and an encyclopedia of programming languages. Every list is checked by hand and dead links are removed regularly. ## Webmaster Lists - [Free Directories](https://bloghints.com/free-directory-list.php): General web directories that still accept free submissions. - [Instant Approval](https://bloghints.com/instant-approval-directory-list.php): Directories that publish your listing right away. - [Article Directories](https://bloghints.com/article-directory-sites-list.php): Sites where you can still publish original articles. - [Local Directories](https://bloghints.com/local-business-directory.php): Places to list a local business after Google Business Profile. - [Social Bookmarking](https://bloghints.com/social-bookmarking-sites-list.php): Bookmarking sites for discovery and visits. - [Blog Commenting](https://bloghints.com/blog-commenting-sites-guide.php): Blogs with open comments — join real conversations. - [Classified Sites](https://bloghints.com/classified-submission-sites-free-advertising.php): Free classified sites for local ads and leads. - [Paid Directories](https://bloghints.com/paid-directory-list.php): Paid directories with editorial review. - [Forum Sites](https://bloghints.com/forum-sites-list.php): Active forums where webmasters and bloggers ask and answer. - [Real Estate Directories](https://bloghints.com/real-estate-directory-sites.php): Portals and directories where agents and brokers can list. ## Blog SEO notes from a webmaster who has run Bloghints since 2006: link building that still works, pages that won't index, directories and Google updates. - [Do URL Indexing Tools Improve SEO Results?](https://bloghints.com/blog/seo-results-rapid-url-indexer-expert-opinions.php): Indexing is not ranking. Here is what Google says about indexing tools, why some pages never stick, and what SEO results you can realistically expect. - [Should I Use a Keyword Research Tool?](https://bloghints.com/blog/should-i-use-a-keyword-research-tool.php): Free keyword tools cover most blogs and small sites. Here is what each type does, how free and paid tools differ, and a simple test for when paying makes sense. - [Website Directory Submission: Step by Step](https://bloghints.com/blog/website-directory-submission.php): Editors reject most directory submissions for simple reasons. Prepare the right title, description, category and contact details, then follow these steps. - [Website Loading Slow but Internet Fast? Here's Why](https://bloghints.com/blog/websites-loading-slow-but-internet-fast-fix.php): Fast internet, slow site? The bottleneck is usually the website: server response time, heavy images, too many scripts. How to find the real cause and fix it, without buying hype. - [Whitelabel Error Page: What It Is and How to Fix It](https://bloghints.com/blog/whitelabel-error-pages.php): Why Spring Boot shows the plain Whitelabel Error Page, how to replace it with your own error pages or an ErrorController, and how to avoid soft 404s. - [Why You Need an SSL Certificate for a Blog](https://bloghints.com/blog/why-ssl-certificate-is-important-for-blogs.php): No shop, no logins, so why bother with HTTPS? Here is what an SSL certificate does for a small blog: no Not secure label, safe comment forms, and a small but real SEO plus. - [How to Speed Up Font Loading on Your Website](https://bloghints.com/blog/how-to-speed-up-website-font-loading.php): Fonts can hide your text and shift your layout. Here is how to load them fast: fewer files, WOFF2, subsets, font-display, preconnect and careful preload, or plain system fonts. - [How to Find Popular Keywords for Your Website](https://bloghints.com/blog/identifying-popular-keywords-for-my-website.php): Start with the searches that already bring you visitors, then widen the list with autocomplete, Google Trends and a keyword tool, and give each keyword one page. - [Small Business Keyword Research: 7 Tips](https://bloghints.com/blog/keyword-research-tips-for-small-business.php): Seven practical keyword research tips for local shops and small firms: customer language, search intent, local modifiers, free tools, competitors and page mapping. - [How to List Your Site in Search Engines](https://bloghints.com/blog/listing-in-search-engines.php): Google and Bing do not take paid submissions. Here is how to list your site for free with Search Console, Bing Webmaster Tools, sitemaps and IndexNow. - [Non-Liberal Search Engines and Search Bias](https://bloghints.com/blog/non-liberal-search-engines.php): A neutral look at the debate over search bias, the engines sold as alternatives, and why independent indexes matter more to webmasters than labels. - [Rapid URL Indexer Review: How It Works](https://bloghints.com/blog/rapid-url-indexer-seo-tools-guide.php): What Rapid URL Indexer is, how its credits and refunds work, what it can and cannot do, and the free Google and Bing tools you should try before paying. - [Reverse SEO: Push Down Negative Results](https://bloghints.com/blog/reverse-search-engine-optimization-guide.php): How to handle negative search results about your name or brand: removal options first, then honest content that outranks them, and the tactics to avoid. - [Roofing Near Me: Can an Indexer Help You Rank?](https://bloghints.com/blog/roofing-near-me-rank-with-rapid-url-indexer.php): Fast indexing will not put a roofing company in the map pack. Learn how Google ranks local results and what roofers can do to show up for near me searches. - [Search Engine Listing Optimization](https://bloghints.com/blog/search-engine-listing-optimization.php): Your listing is the small ad Google writes for your page. Learn how to shape the title link, snippet, URL and rich results so more searchers choose you. - [Accident Lawyer SEO: Can a URL Indexer Help?](https://bloghints.com/blog/accident-lawyer-rank-with-rapid-url-indexer.php): Fast indexing will not win a personal injury search. Here is how Google judges legal pages, where indexers fit, and what accident lawyers should focus on. - [Backlink Penalties and How to Recover](https://bloghints.com/blog/backlinks-blacklist-penalties.php): Google has no public list of banned links, but it does ignore spam links and can issue manual actions. Here is how to check your site and recover safely. - [Baidu SEO: How to Rank in China](https://bloghints.com/blog/baidu-search-engine-optimization.php): How Baidu differs from Google: ICP filing, hosting in or near mainland China, Simplified Chinese content, Baidu's webmaster platform and local links. - [Benefits of a Niche Web Directory Listing](https://bloghints.com/blog/benefits-submitting-website-niche-web-directory.php): A listing in a directory built for your industry beats a hundred general listings. Learn what niche directories really do, their limits and how to find them. - [Best SEO Tools for Small Businesses](https://bloghints.com/blog/best-seo-tools-for-small-businesses-2025.php): A free-first SEO toolkit for small businesses: what Search Console, Bing Webmaster Tools, Keyword Planner and PageSpeed Insights do, and when a paid suite is worth it. - [Bookmarking and Classified Sites for SEO](https://bloghints.com/blog/bookmarking-sites-and-classified-site-submission.php): Social bookmarking and classified ads won't lift your rankings much today. Here is what they still do well, where they fail, and how to use them without spam. - [How to Choose an SSL Certificate](https://bloghints.com/blog/choose-right-ssl-certificate.php): DV, OV or EV? Free or paid? Single, wildcard or multi-domain? A plain guide to picking the SSL certificate your site actually needs, without paying for extras it doesn't. - [Conservative Search Engines: A Neutral List](https://bloghints.com/blog/conservative-search-engine-list.php): A neutral look at search engines sold as unbiased or private: which ones still work, whose index they use, and how to get your site into them. - [How to Create a 301 Redirect in .htaccess](https://bloghints.com/blog/create-301-redirect-in-htaccess.php): Copy-ready .htaccess lines for single pages, folders, HTTP to HTTPS and www to non-www, plus how to test them and the mistakes that cause redirect loops. - [How to Fix Broken Links on Your Website](https://bloghints.com/blog/fix-broken-links-seo-ranking.php): Find dead links with Search Console and a crawler, decide which 404s matter, and fix them the right way: update, redirect, replace or remove. Plus what Google really says about 404s. - [Free Web Directory Submission: Pick Safe Sites](https://bloghints.com/blog/free-web-directory-submission-sites-list.php): Not every free directory is worth your link. Learn the quick checks that separate a useful free directory from a link farm, and how to submit without risk. - [How to Add Meta Tag Headers to a URL](https://bloghints.com/blog/how-to-add-meta-tag-headers-to-url.php): Meta tags go in the HTML head; robots rules for PDFs and images go in the X-Robots-Tag HTTP header. Step-by-step code for HTML, .htaccess, NGINX and PHP. - [How to Find Meta Tags on a Website](https://bloghints.com/blog/how-to-find-meta-tags-on-a-website.php): Four ways to see any page's meta tags, from View Source to developer tools and curl, plus which tags Google uses and what to check on your own pages. - [How to Get Backlinks for My Website](https://bloghints.com/blog/how-to-get-backlinks-for-my-website.php): Backlinks still matter, but the easy tricks now count as spam. Here are practical, safe ways to earn links to a small website, and the shortcuts to skip. - [How AI Overviews Changed Click-Through Rate for Informational Queries](https://bloghints.com/blog/ai-overviews-click-through-rate-informational.php): Large studies agree: AI Overviews cut clicks on informational searches, and being cited softens the blow. Here is what the data says and how to adjust. - [How to Track ChatGPT and Perplexity Traffic in Google Analytics 4](https://bloghints.com/blog/track-chatgpt-perplexity-traffic-ga4.php): GA4 now has an AI Assistant channel, but it only catches visits with a referrer. Here is how to set up a fuller view with a custom channel group and regex. - [Does Schema Markup Help With AI Overviews?](https://bloghints.com/blog/schema-markup-ai-overviews.php): Google says no special schema is needed for AI Overviews. Here is what structured data still does for you, which types to use, and the mistakes to avoid. - [How to Get Your Website Cited in Google AI Overviews](https://bloghints.com/blog/get-website-cited-google-ai-overviews.php): Being cited in an AI Overview is worth more than ranking under one. Here is what makes pages citable, what schema can and cannot do, and how to check. - [Core Web Vitals With AdSense: How to Stop Ads Causing Layout Shift](https://bloghints.com/blog/core-web-vitals-adsense-layout-shift.php): Ads are the most common cause of layout shift on monetised blogs. Here is how to reserve ad space, lazy load lower slots and keep CLS and INP in the green. - [Internal Linking Structure for a List-Based Website](https://bloghints.com/blog/internal-linking-list-based-website.php): Hub, lists, detail pages: a simple internal linking model for directory and resource-list sites, with rules for breadcrumbs, footers and automatic links. - [How to Fix 'Crawled – Currently Not Indexed' for Small Blogs](https://bloghints.com/blog/crawled-currently-not-indexed-small-blog.php): Google crawled your post but left it out of the index. Here is how a small blog can triage those URLs, improve or merge thin pages and get the keepers indexed. - [How to Find Orphan Pages Without Paid Tools](https://bloghints.com/blog/find-orphan-pages-free.php): A free workflow for finding orphan pages: sitemap list vs. links-only crawl, a COUNTIF column, the Search Console Links report, and how to fix what you find. - [301 Redirect Old PHP URLs to a New CMS Without Losing Rankings](https://bloghints.com/blog/301-redirect-old-php-urls-new-cms.php): Moving a hand-built PHP site to a CMS? Keep working .php URLs, map the rest one-to-one with single-hop 301s, and watch 404s and Search Console after launch. ## Basic Learn SEO from zero: backlinks, domain authority, robots.txt, meta descriptions, indexing, hosting and domains, each explained in plain English. - [Zoho Mail SMTP Settings](https://bloghints.com/basic/zoho-mail-smtp-settings.php): The Zoho Mail SMTP servers for free and paid domain plans, ports, login rules, IMAP setup, WordPress steps and what "Relaying disallowed" means. - [Yahoo Mail SMTP Settings](https://bloghints.com/basic/yahoo-mail-smtp-settings.php): The Yahoo Mail SMTP server, ports and login, how to create a Yahoo app password, WordPress steps, IMAP and POP, and fixes for common errors. - [Microsoft 365 SMTP Settings](https://bloghints.com/basic/microsoft-365-smtp-settings.php): The Microsoft 365 SMTP server and port, how to switch on SMTP AUTH for a mailbox, WordPress steps, sending limits and what the 5.7.x errors mean. - [Hostinger Email SMTP Settings](https://bloghints.com/basic/hostinger-email-smtp-settings.php): The SMTP, IMAP and POP settings for Hostinger Email, where to find them in hPanel, and how to use them in WordPress, email apps and phones. - [cPanel Email SMTP Settings (Your Own Domain)](https://bloghints.com/basic/cpanel-email-smtp-settings.php): The SMTP server, port, login and IMAP settings for email on your own domain in cPanel, where to find your exact server name, and how to use them in WordPress. - [Outlook.com SMTP Settings](https://bloghints.com/basic/outlook-smtp-settings.php): The Outlook.com, Hotmail and Live SMTP server, port and sign-in rules, plus IMAP and POP, WordPress steps, sending limits and fixes for login errors. - [Gmail SMTP Settings](https://bloghints.com/basic/gmail-smtp-settings.php): The exact Gmail SMTP server, ports and login, plus how to make an app password, set up WordPress and fix the most common errors. - [SMTP Settings for Popular Email Providers](https://bloghints.com/basic/smtp-settings-list.php): One table with the SMTP server, port, security type and login for popular email providers, plus how to pick the right one, what the ports mean and how to test them. - [Free Business Email With Your Own Domain](https://bloghints.com/basic/free-business-email.php): Which email providers let you use your own domain for free, what each free route leaves out, when paying makes sense, and how to set up DNS and WordPress. - [Schema Markup for Beginners](https://bloghints.com/basic/schema-markup-basics.php): What schema markup is in plain words, which JSON-LD types a small site needs, how to add them to WordPress or a PHP site, and how to test them for errors. - [www vs non-www: Pick One and Redirect](https://bloghints.com/basic/www-vs-non-www.php): Google ranks www and non-www the same. What hurts is when both open your site. Pick one, redirect the other in one jump with .htaccess, and check HTTP/2. - [Open Graph Tags for Beginners](https://bloghints.com/basic/open-graph-tags.php): Open Graph tags decide the picture, title and text people see when your link is shared. Copy the tags, use a 1200×630 image and test the card in minutes. - [How to Enable Gzip Compression and Browser Caching](https://bloghints.com/basic/enable-gzip-browser-caching.php): Two short .htaccess blocks turn on gzip compression and browser caching. Copy the code, back up first, and check the headers in DevTools to confirm it works. - [Soft 404 Errors, Noindex and Blocked Pages](https://bloghints.com/basic/soft-404-noindex-blocked-pages.php): What a soft 404 error is, how a stray noindex tag or robots.txt rule hides pages from Google, and the exact fixes for Apache, WordPress and simple PHP sites. - [Viewport Meta Tag: Make Your Site Mobile Friendly](https://bloghints.com/basic/viewport-meta-tag-mobile.php): What the viewport meta tag does, the exact line to paste into your page head, why blocking zoom hurts visitors, and quick fixes for media queries, lang, charset and old tags. - [What Is an SPF Record?](https://bloghints.com/basic/what-is-an-spf-record.php): A plain guide to SPF: the DNS line that says which servers may send email for your domain, how to add it, plus fixes for exposed emails, unsafe links and ads.txt. - [How Long Should a Meta Description Be?](https://bloghints.com/basic/meta-description-length.php): Meta description length explained: why Google has no fixed limit, why it may rewrite your text, a practical 140 to 155 character guide and good vs weak examples. - [Robots.txt for Beginners](https://bloghints.com/basic/robots-txt-for-beginners.php): What robots.txt does (and why it is not a noindex), the User-agent, Disallow, Allow and Sitemap lines, AI crawler names like GPTBot, and common mistakes. - [How to Check If a Page Is Indexed by Google](https://bloghints.com/basic/check-if-page-is-indexed-google.php): Check a page's Google index status with a site: search and the URL Inspection tool, learn the common reasons pages are not indexed and what to do about each. - [How Often Should I Back Up My Website?](https://bloghints.com/basic/website-backup-basics.php): A plain guide to website backups: what to save, the 3-2-1 rule, host backups vs your own copy, how often to back up by site type and how to test a restore. - [How to Point a Domain to Hosting](https://bloghints.com/basic/how-to-point-domain-to-hosting.php): Nameservers, A records and CNAMEs explained in plain words, with step-by-step instructions, realistic wait times for DNS changes and easy ways to check your site is live. - [Domain Name vs Web Hosting](https://bloghints.com/basic/domain-name-vs-web-hosting.php): The domain is your site's address and hosting is the house where its files live. Learn how registrars and hosts differ, how to buy both and what happens if one expires. - [How to Choose Web Hosting for a New Blog](https://bloghints.com/basic/how-to-choose-web-hosting.php): A simple checklist for picking your first host: uptime, renewal price, backups, support, server location, SSL and email, plus honest lessons from 20 years of paying for hosting. - [Shared vs VPS vs Cloud Hosting](https://bloghints.com/basic/shared-vs-vps-vs-cloud-hosting.php): Shared, VPS, cloud and managed WordPress hosting compared in one simple table, with typical costs and clear signs that it is time to upgrade. - [What Is Web Hosting?](https://bloghints.com/basic/what-is-web-hosting.php): Web hosting in plain words: what a server is, how your files and domain fit together, what happens on each visit, the main hosting types and what you really need. - [How to Use AI Tools for SEO](https://bloghints.com/basic/ai-tools-transforming-seo.php): A plain-English beginner guide to using AI tools for SEO: where they help, where they get things wrong, and what Google's own rules say about AI-written pages. - [What Is SEO?](https://bloghints.com/basic/search-engine-optimization-for-dummies.php): SEO explained for beginners: how Google finds, stores and ranks pages, what on-page, off-page and technical SEO mean, and how long results usually take. - [What Is a Web Directory?](https://bloghints.com/basic/what-is-a-web-directory-guide.php): Web directories explained for beginners: how they work, the main types, what happened to DMOZ, and whether a directory listing still helps your site. - [What Is llms.txt and Should a Small Site Use It?](https://bloghints.com/basic/what-is-llms-txt.php): llms.txt is a Markdown reading list for AI tools. Here is what goes in it, how it differs from robots.txt and sitemaps, and whether a small site needs one. - [Google Business Profile vs. Local Directories: Which First?](https://bloghints.com/basic/google-business-profile-vs-local-directories.php): Start with Google Business Profile, then copy its exact details everywhere else. A week-by-week setup plan for new local businesses. - [How Many Citations Does a Local Business Need?](https://bloghints.com/basic/how-many-citations-local-business.php): Forget magic numbers. Learn how to benchmark citations against the businesses already ranking near you, and when adding more stops helping. - [Which Local Citation Sites Matter for a Small Business?](https://bloghints.com/basic/local-citation-sites-small-business.php): Not every citation is worth your time. See which local listings matter most, which ones to skip, and the exact order to build them in. - [Free NAP Consistency Check Method for Local Businesses](https://bloghints.com/basic/check-nap-consistency-free.php): Check your business name, address and phone across the web for free with one spreadsheet. Includes a copyable template and a simple fixing routine. - [What Are Backlinks in SEO? A Plain Guide for Beginners](https://bloghints.com/basic/backlinks-seo.php): What backlinks are, why Google uses them, dofollow vs nofollow vs sponsored, how to tell good links from bad ones, and how to earn your first links. - [How to Protect Your Website from Negative SEO (Beginner Guide)](https://bloghints.com/basic/negative-seo-guide.php): Which negative SEO attacks can really hurt you, why Google ignores most spam links, a protection checklist, and when the disavow tool makes sense. - [Domain Authority Explained for Beginners (and How to Raise It)](https://bloghints.com/basic/domain-authority-explained-improve.php): What Moz Domain Authority measures, why Google doesn't use it, what counts as a good score, and six safe ways to raise it. - [Social Bookmarking Sites That Still Get Indexed (and How to Check)](https://bloghints.com/basic/social-bookmarking-sites-that-get-indexed.php): Most bookmark pages never reach Google's index. Here is why, plus a simple 30-day method to find the bookmarking sites that still work for your links. - [How Long Does Directory Approval Take? Free vs. Paid](https://bloghints.com/basic/directory-approval-time-free-vs-paid.php): Realistic approval times for free, paid and instant approval directories, what a review fee actually buys, and what to do when your listing never shows up. - [Blog Commenting for Backlinks Without Getting Marked as Spam](https://bloghints.com/basic/blog-commenting-backlinks-without-spam.php): What filters and moderators actually flag, how to find blogs worth commenting on, and how to write comments that get approved and bring visitors, not penalties. - [Forum Signature Links: Nofollow or Dofollow? How to Check](https://bloghints.com/basic/forum-signature-links-dofollow-check.php): Learn to check any forum signature link in seconds, what nofollow, ugc and sponsored mean, what Google says about forum links, and why traffic matters more than link juice. - [How to Check If a Web Directory Is Spammy Before Submitting](https://bloghints.com/basic/how-to-spot-spammy-web-directory.php): A quick, repeatable way to vet any web directory before you submit: check indexing, categories, recent listings, outbound links and editorial review. - [Do Free Web Directories Still Help SEO in 2026?](https://bloghints.com/basic/do-free-web-directories-still-help-seo.php): Free directories won't move rankings on their own, but a few edited, indexed and on-topic ones still help new sites get found. Here's how to pick them and test the results. ## SEO Tools - [SEO Tools](https://bloghints.com/seo-tools/): The SEO tools we actually use for keyword research, technical SEO, backlinks and analytics, sorted by category, with free and paid options. ## Link Lists - [Link Lists](https://bloghints.com/sites/): All directories, forums and bookmarking sites listed on Bloghints. ## AI Tools - [AI Tools](https://bloghints.com/ai-tools/): Curated directory of AI tools for content, SEO, design and productivity. ## Programming Languages History of programming languages from Plankalkül and Fortran to Python, Rust and Mojo: who created each language, why, code examples and where it is used today. - [Who Invented Assembly Language and When? A Short History](https://bloghints.com/programming-languages/assembly-language.php): Assembly language turns raw machine code into readable mnemonics. Its roots go back to Kathleen Booth in 1947 and EDSAC in 1949, and it still matters in kernels and embedded systems. - [History of the Plankalkül Programming Language by Konrad Zuse](https://bloghints.com/programming-languages/plankalkul-programming-language.php): Konrad Zuse designed Plankalkül between 1942 and 1945, the first known high-level programming language. It stayed on paper for decades, yet anticipated ideas later found in ALGOL. - [Short Code: The Short Code Language for the UNIVAC I](https://bloghints.com/programming-languages/short-code-programming-language.php): Short Code, proposed by John Mauchly in 1949, let programmers write equations instead of machine instructions. It ran on the BINAC and UNIVAC I as an interpreter. - [Autocode: The First Compiled Programming Language?](https://bloghints.com/programming-languages/autocode-programming-language.php): Autocode began with Alick Glennie's 1952 compiler for the Manchester Mark 1 and grew into a family of British languages, from Mark 1 Autocode to Atlas Autocode. - [FLOW-MATIC: How FLOW-MATIC Influenced the Design of COBOL](https://bloghints.com/programming-languages/flow-matic-programming-language.php): FLOW-MATIC, led by Grace Hopper at Remington Rand from 1955, was the first English-like data processing language and a direct model for COBOL. - [IPL: What Was the IPL Programming Language Used For?](https://bloghints.com/programming-languages/ipl-programming-language.php): IPL, created in 1956 by Allen Newell, Cliff Shaw and Herbert Simon, introduced list processing and powered the Logic Theorist, one of the first AI programs. - [Fortran: Who Invented Fortran and Why Was It Created?](https://bloghints.com/programming-languages/fortran-programming-language.php): Fortran was created by John Backus and a small IBM team and released in 1957 for the IBM 704. Nearly 70 years later it still runs much of scientific computing. - [ALGOL: How ALGOL 60 Influenced Modern Programming Languages](https://bloghints.com/programming-languages/algol-programming-language.php): ALGOL began as an international committee language in 1958. ALGOL 60 introduced block structure and BNF and shaped Pascal, Simula, C and most languages since. - [Lisp: Is Lisp the Second Oldest Programming Language?](https://bloghints.com/programming-languages/lisp-programming-language.php): John McCarthy designed Lisp at MIT in 1958. It introduced S-expressions, garbage collection and code-as-data, and lives on in Common Lisp, Scheme, Racket and Clojure. - [COBOL: Why Is COBOL Still Used in Banks Today?](https://bloghints.com/programming-languages/cobol-programming-language.php): COBOL was designed by the CODASYL committee in 1959 for business data processing. It still runs core systems at banks, insurers and government agencies. - [JOVIAL: What Is JOVIAL Used For in Military Aircraft?](https://bloghints.com/programming-languages/jovial-programming-language.php): JOVIAL, created by Jules Schwartz at System Development Corporation from 1959, became the U.S. Air Force's standard language for avionics and command systems. - [Simula: How Simula 67 Introduced Object-Oriented Programming](https://bloghints.com/programming-languages/simula-programming-language.php): Simula, created by Ole-Johan Dahl and Kristen Nygaard in Oslo, gave the world classes, objects and inheritance. This is how it happened and why it matters. - [SNOBOL: How SNOBOL String Pattern Matching Works](https://bloghints.com/programming-languages/snobol-programming-language.php): SNOBOL was a string-processing language created at Bell Labs in 1962. Its pattern matching, refined in SNOBOL4, was decades ahead of its time. - [BASIC: Why BASIC Was Invented at Dartmouth College](https://bloghints.com/programming-languages/basic-programming-language.php): BASIC was created at Dartmouth in 1964 so that every student, not just scientists, could use a computer. It went on to define the home computer era. - [PL/I: Why IBM Designed PL/I to Replace Fortran and COBOL](https://bloghints.com/programming-languages/pl-i-programming-language.php): PL/I was IBM's 1964 attempt at one language for both science and business on System/360. It was ambitious, influential and still runs on mainframes today. - [APL: Why APL Uses Special Symbols Instead of Words](https://bloghints.com/programming-languages/apl-programming-language.php): APL began as Kenneth Iverson's mathematical notation and became an IBM time-sharing language in 1966. Here is why it is written in symbols and who still uses it. - [BCPL Programming Language: How BCPL Led to the B and C Languages](https://bloghints.com/programming-languages/bcpl-programming-language.php): BCPL was Martin Richards' small, typeless systems language from 1967. It shaped B, and through B, the C language that still runs the world. - [Logo: How Logo Turtle Graphics Taught Children Programming](https://bloghints.com/programming-languages/logo-programming-language.php): Logo was created in 1967 to help children think mathematically. Its turtle graphics turned geometry into something kids could program and see. - [What Was the B Programming Language Used For? History and Legacy](https://bloghints.com/programming-languages/b-programming-language.php): B was Ken Thompson's small, typeless language for early Unix, created around 1969. It lasted only a few years but led directly to C. - [Forth Programming Language: How Forth Stack-Based Programming Works](https://bloghints.com/programming-languages/forth-programming-language.php): Forth is Chuck Moore's tiny, stack-based language from around 1970. It runs on almost nothing and still controls embedded hardware today. - [Pascal: Why Niklaus Wirth Designed Pascal for Teaching](https://bloghints.com/programming-languages/pascal-programming-language.php): Niklaus Wirth released Pascal in 1970 to teach structured programming clearly. It went on to power classrooms, Turbo Pascal, the early Mac and Delphi. - [C Programming Language: Why Dennis Ritchie Created C at Bell Labs](https://bloghints.com/programming-languages/c-programming-language.php): Dennis Ritchie created C at Bell Labs around 1972 to rewrite Unix. Five decades later it still runs operating systems, databases and embedded devices. - [How Alain Colmerauer Created Prolog in Marseille](https://bloghints.com/programming-languages/prolog-programming-language.php): Prolog grew out of a French question-answering project in 1972 and became the best-known logic programming language, still used for rules, parsing and symbolic AI. - [Smalltalk: How Smalltalk Made Everything an Object](https://bloghints.com/programming-languages/smalltalk-programming-language.php): Smalltalk, created at Xerox PARC in the 1970s, treated everything as an object. It shaped GUIs, object-oriented design and modern IDEs. - [Robin Milner's ML Language for the LCF Prover](https://bloghints.com/programming-languages/ml-programming-language.php): ML began in 1973 as the scripting language of an Edinburgh theorem prover and introduced practical type inference, shaping OCaml, F#, Haskell and Rust. - [How IBM's SEQUEL Became the SQL Language](https://bloghints.com/programming-languages/sql-programming-language.php): SQL began as SEQUEL at IBM in 1974, built on Codd's relational model, and became the standard language for querying relational databases. - [Why Steele and Sussman Created Scheme at MIT](https://bloghints.com/programming-languages/scheme-programming-language.php): Scheme was created at MIT in 1975 as a tiny, lexically scoped Lisp. Its minimalism made it a favourite for teaching and for research into language design. - [How Aho, Weinberger and Kernighan Created AWK](https://bloghints.com/programming-languages/awk-programming-language.php): AWK was created at Bell Labs in 1977 for quick text processing. Its pattern-action model still makes it one of the handiest tools on any Unix system. - [Niklaus Wirth's Modula-2 and the Lilith Workstation](https://bloghints.com/programming-languages/modula-2-programming-language.php): Modula-2 was designed by Niklaus Wirth at ETH Zurich around 1978 as a modular successor to Pascal, and was used to write the entire software of the Lilith workstation. - [How Jean Ichbiah's Green Language Became Ada](https://bloghints.com/programming-languages/ada-programming-language.php): Ada grew out of a US Department of Defense competition won by Jean Ichbiah's 'Green' design in 1979. It remains a leading language for safety-critical software. - [How Brad Cox Built Objective-C on Smalltalk Ideas](https://bloghints.com/programming-languages/objective-c-programming-language.php): Objective-C added Smalltalk-style messaging to C in the early 1980s. Adopted by NeXT and then Apple, it powered Mac OS X and the first generation of iPhone apps. - [How Cleve Moler's MATLAB Grew Out of LINPACK](https://bloghints.com/programming-languages/matlab-programming-language.php): MATLAB began in the late 1970s as Cleve Moler's matrix calculator for students and became, from 1984, the commercial standard for numerical computing in engineering. - [How Common Lisp Unified the Maclisp Dialects](https://bloghints.com/programming-languages/common-lisp-programming-language.php): Common Lisp was created in the early 1980s to merge competing Maclisp successors into one portable language, standardised by ANSI in 1994. - [How Bjarne Stroustrup Turned C with Classes into C++](https://bloghints.com/programming-languages/cpp-programming-language.php): C++ started in 1979 as 'C with Classes' at Bell Labs and became a standard systems language behind browsers, game engines, databases and trading systems. - [Bertrand Meyer's Eiffel and Design by Contract](https://bloghints.com/programming-languages/eiffel-programming-language.php): Eiffel, released in 1986 by Bertrand Meyer, made preconditions, postconditions and class invariants part of the language, an idea known as Design by Contract. - [How Joe Armstrong Designed Erlang at Ericsson](https://bloghints.com/programming-languages/erlang-programming-language.php): Erlang was designed at Ericsson in 1986 to run telephone switches that never stop. Its processes and supervisors now power messaging, queues and Elixir. - [Perl History: Why Perl Is Known as Internet Duct Tape](https://bloghints.com/programming-languages/perl-programming-language.php): Larry Wall released Perl in 1987 to tame text reports. A decade later it was holding the early web together, one CGI script at a time. - [Tcl Explained: Why Everything Is a String in Tcl](https://bloghints.com/programming-languages/tcl-programming-language.php): John Ousterhout built Tcl at Berkeley in 1988 as a reusable command language for tools. Its radical rule that everything is a string still shapes how it works. - [Why the Haskell Language Was Named After Haskell Curry](https://bloghints.com/programming-languages/haskell-programming-language.php): Haskell was designed by a committee to unify lazy functional languages. They named it after logician Haskell Curry, whose work underpins the whole idea. - [How Alan Cooper Became the Father of Visual Basic](https://bloghints.com/programming-languages/visual-basic-programming-language.php): Visual Basic launched in 1991 and let millions draw a Windows interface and attach code to it. Its drag-and-drop core began as Alan Cooper's prototype. - [Python: Why Python Uses Indentation Instead of Curly Braces](https://bloghints.com/programming-languages/python-programming-language.php): Guido van Rossum released Python in 1991, borrowing indentation-based blocks from ABC. That choice still defines how Python code looks and reads. - [Lua: Why Lua Is So Popular for Game Scripting](https://bloghints.com/programming-languages/lua-programming-language.php): Lua was created in 1993 at PUC-Rio in Brazil as a small embeddable language. Its size and speed made it the scripting layer of choice for game engines. - [R Language History: Why R Was Named After Its Creators](https://bloghints.com/programming-languages/r-programming-language.php): R began at the University of Auckland in 1993 as a free take on the S statistics language. Its one-letter name nods to both its creators and S. - [Delphi History: Why Borland Named Its Pascal Tool Delphi](https://bloghints.com/programming-languages/delphi-programming-language.php): Borland launched Delphi in 1995, pairing Object Pascal with a visual designer and native compiler. Its name was a joke about talking to the Oracle. - [Java History: Why Java Was Originally Called Oak at Sun](https://bloghints.com/programming-languages/java-programming-language.php): Java began in 1991 as Oak, a language for consumer devices at Sun. A trademark clash forced a new name just before its 1995 debut on the web. - [JavaScript: How Brendan Eich Wrote JavaScript in Ten Days](https://bloghints.com/programming-languages/javascript-programming-language.php): In May 1995 Brendan Eich built the first JavaScript prototype at Netscape in about ten days. That rushed language now runs on nearly every web page. - [PHP History: What Did PHP Originally Stand For?](https://bloghints.com/programming-languages/php-programming-language.php): PHP started in 1995 as Rasmus Lerdorf's Personal Home Page Tools. It grew into the server language behind WordPress, Wikipedia and much of the web. - [Ruby: Why Matz Designed Ruby for Programmer Happiness](https://bloghints.com/programming-languages/ruby-programming-language.php): Yukihiro Matsumoto released Ruby in Japan in 1995 with an unusual goal: make programmers enjoy their work. Rails later carried that idea worldwide. - [OCaml History: Why Jane Street Uses OCaml for Trading](https://bloghints.com/programming-languages/ocaml-programming-language.php): OCaml grew out of INRIA's Caml research in 1996. Its type system and native speed won over theorem provers, compiler writers and a famous trading firm. - [Why Microsoft Created C# After the Java Lawsuit](https://bloghints.com/programming-languages/csharp-programming-language.php): C# began as Microsoft's answer to losing control of Java. Here is how Anders Hejlsberg's team built it, how it evolved, and where it runs today. - [Why Walter Bright Designed D as a Better C++](https://bloghints.com/programming-languages/d-programming-language.php): D is what a veteran C++ compiler writer built when he started over. A look at its origins, features, compilers and real-world users. - [How Groovy Became the Language of Jenkins Pipelines](https://bloghints.com/programming-languages/groovy-programming-language.php): Groovy started as a friendlier scripting language for Java developers and ended up running countless CI/CD pipelines. Here is how that happened. - [How Scala Blends Functional and Object-Oriented Programming](https://bloghints.com/programming-languages/scala-programming-language.php): Scala brought functional programming to the JVM without giving up objects. A look at Martin Odersky's design, Scala 3 and where Scala runs today. - [How F# Brought ML-Style Programming to .NET](https://bloghints.com/programming-languages/fsharp-programming-language.php): F# took the ML family of languages and made it a first-class citizen on .NET. Its origins, features, influence on C# and where it is used now. - [Why Rich Hickey Built Clojure on the JVM](https://bloghints.com/programming-languages/clojure-programming-language.php): Clojure is a Lisp that chose the JVM on purpose. Why Rich Hickey made that choice, what makes the language different, and where it runs today. - [Why Google Created the Go Language in 2007](https://bloghints.com/programming-languages/go-programming-language.php): Go was born from frustration with slow builds and complex code at Google. How three veteran engineers designed it and why it now runs the cloud. - [How Flutter Saved the Dart Programming Language](https://bloghints.com/programming-languages/dart-programming-language.php): Dart was built to replace JavaScript in the browser and nearly faded away. Then Flutter arrived. Here is the full story of Google's comeback language. - [Why JetBrains Built Kotlin Instead of Using Scala](https://bloghints.com/programming-languages/kotlin-programming-language.php): JetBrains wanted a better Java for its own huge codebase, and Scala compiled too slowly. Here is how Kotlin came to be and why Android made it mainstream. - [How Julia Solves the Two-Language Problem in Science](https://bloghints.com/programming-languages/julia-programming-language.php): Scientists used to prototype in Python or MATLAB and rewrite in C or Fortran. Julia was built at MIT to end that split. Here is how it works and who uses it. - [Why José Valim Created Elixir on the Erlang VM](https://bloghints.com/programming-languages/elixir-programming-language.php): A Rails core developer frustrated with concurrency built a friendlier language on Erlang's battle-tested VM. Here is how Elixir came to power Discord and Phoenix. - [Why Microsoft Made TypeScript a Superset of JavaScript](https://bloghints.com/programming-languages/typescript-programming-language.php): TypeScript won by refusing to replace JavaScript. Here is why Microsoft designed it as a typed superset, how it spread, and what the Go-based compiler changes. - [Why Apple Replaced Objective-C With Swift](https://bloghints.com/programming-languages/swift-programming-language.php): Swift started as Chris Lattner's side project in 2010 and became Apple's main language in 2014. Here is why Apple moved on from Objective-C and what Swift does well. - [How Rust Prevents Memory Bugs Without Garbage Collection](https://bloghints.com/programming-languages/rust-programming-language.php): Rust gives C-level control with compile-time memory safety. How ownership works, where Rust came from, and why Linux, Windows and Android adopted it. - [Is Gleam a Good Typed Alternative to Elixir?](https://bloghints.com/programming-languages/gleam-programming-language.php): Gleam brings static types to the Erlang VM with a tiny, friendly language. Here is where it came from, how it compares to Elixir, and what is still missing. - [Why Andrew Kelley Created Zig as a C Replacement](https://bloghints.com/programming-languages/zig-programming-language.php): Zig aims to be a better C, not a bigger one. Here is why Andrew Kelley started it, how comptime and explicit allocators work, and what pre-1.0 really means. - [Why Google's Carbon Language Wants to Succeed C++](https://bloghints.com/programming-languages/carbon-programming-language.php): Carbon is an experimental language meant to do for C++ what Kotlin did for Java. Here is why Google engineers started it, how it works and how far along it is. - [What Is Mojo and How It Relates to Python](https://bloghints.com/programming-languages/mojo-programming-language.php): Mojo looks like Python but compiles like a systems language. Here is who built it, why, how it works with Python, and what is still experimental. ## Cheat Sheet Small SEO jobs with a big payoff: step-by-step cheats for more clicks, faster indexing and better links. White-hat only, with copy-paste templates. - [Are Blog Comment Backlinks Still Worth It? A Retired Cheat](https://bloghints.com/cheat-sheet/blog-comment-backlinks.php): "Great post!" plus your link on blogs that publish every comment. Most comments were never approved, and the links stopped counting. - [Do Backlink Generators Still Work? A Retired Cheat](https://bloghints.com/cheat-sheet/backlink-generators.php): One click, hundreds of links from auto-made pages. It used to look like magic. Google's crackdown on link spam ended it. - [Unlinked Mention Cheat: Turn Brand Mentions Into Backlinks](https://bloghints.com/cheat-sheet/unlinked-mention-cheat.php): Find pages that already name your site but do not link to it, and ask for the link. The easiest backlink there is. - [Image Speed Cheat: Convert Images to WebP the Right Way](https://bloghints.com/cheat-sheet/image-speed-cheat.php): Convert your biggest images to WebP and add width, height and lazy loading. Pages get lighter and stop jumping while they load. - [Index Faster Cheat: Get a New Post Into Google Sooner](https://bloghints.com/cheat-sheet/index-faster-cheat.php): Link the new post from a page Google already visits often, keep it in your sitemap, and request indexing once. Then leave it alone. - [Orphan Page Cheat: Find Unlinked Pages Without Tools](https://bloghints.com/cheat-sheet/orphan-page-cheat.php): Find pages no other page links to, then link each one from your three strongest posts. No paid crawler needed. - [Old Post Refresh Cheat: Update Old Posts for Fast SEO Wins](https://bloghints.com/cheat-sheet/old-post-refresh-cheat.php): Refresh one old post that lost clicks: fix what is outdated, answer the new questions people ask, and update the title and links. - [Featured Snippet Cheat: The Answer Format Google Can Quote](https://bloghints.com/cheat-sheet/featured-snippet-cheat.php): Add a 40–60 word answer right under each question-style H2. It is the shape Google and AI answers like to quote. - [CTR Cheat: More Clicks Without Writing New Content](https://bloghints.com/cheat-sheet/ctr-cheat.php): Rewrite only the title and meta description of pages with many views in Google and few clicks. The article stays the same. - [Striking Distance Cheat: Find Near-Win Keywords in Search Console](https://bloghints.com/cheat-sheet/striking-distance-keywords-cheat.php): Find the keywords you already rank 8–20 for, then put them in one H2 and your first paragraph. No new article, no new links. ## Google Algorithm Updates A timeline of major Google algorithm updates, from Panda and Penguin to the latest core updates: what each one targeted, who got hit and how to recover. - [March 2024 Core Update: What Changed and How to Recover](https://bloghints.com/google-algorithm/march-2024-core-update.php): Google's 45-day March 2024 core update moved helpful content into core and added three spam policies. Here is how to check your site and recover. - [December 2022 Google Link Spam Update: How SpamBrain Hit Bad Links](https://bloghints.com/google-algorithm/google-link-spam-update-2022.php): In December 2022 Google aimed SpamBrain, its AI spam system, at links. Bought and swapped links stopped passing credit, in every language. - [Google Helpful Content Update: How to Recover From It Today](https://bloghints.com/google-algorithm/google-helpful-content-update.php): The helpful content update hit search-first content from August 2022. Since March 2024 it is part of core ranking, so recovery means site-wide fixes. - [Google Product Reviews Update: What It Rewards and Where It Is Now](https://bloghints.com/google-algorithm/google-product-reviews-update.php): Launched in April 2021, the product reviews update pushed thin, copied reviews down. It is now the reviews system, and Google updates it quietly. - [Google Page Experience Update: Core Web Vitals and What Changed](https://bloghints.com/google-algorithm/google-page-experience-update.php): The 2021 page experience update made Core Web Vitals a ranking signal. Google retired it as a named system in 2023, but the signals still count. - [Google BERT Update Explained: How Google Learned to Read Context](https://bloghints.com/google-algorithm/google-bert-update.php): BERT helps Google understand each word in the context of the whole search. It launched in October 2019 and is still active today. - [Google Medic Update: The 2018 Core Update That Shook YMYL Sites](https://bloghints.com/google-algorithm/google-medic-update.php): The August 2018 broad core update hit many health and money sites. The industry called it "Medic", but Google never used that name. - [What Is Google RankBrain? How Google's AI Reads Your Search](https://bloghints.com/google-algorithm/google-rankbrain.php): RankBrain is Google's machine learning system for understanding searches. Google revealed it in October 2015, and it is still active today. - [Google Mobile-Friendly Update 2015: What Mobilegeddon Really Did](https://bloghints.com/google-algorithm/google-mobile-friendly-update.php): On April 21, 2015, Google made mobile-friendliness a stronger ranking signal in mobile search. The named system is retired, but mobile usability still counts. - [Google Hummingbird Update Explained: The Engine Behind Smarter Search](https://bloghints.com/google-algorithm/google-hummingbird-update.php): Hummingbird was a new core engine that helped Google understand the meaning of whole queries. Google announced it in September 2013 and says it went live in August 2013. - [Google Penguin Update: What It Punished and Why It Still Matters](https://bloghints.com/google-algorithm/google-penguin-update.php): Penguin launched in April 2012 to demote link schemes and keyword stuffing. Since 2016 it runs in real time inside Google's core algorithm and devalues spam links. - [Google Panda Update: How It Hit Thin Content and What Still Applies](https://bloghints.com/google-algorithm/google-panda-update.php): Panda launched in February 2011 to push down shallow and copied pages. It became part of Google's core ranking systems in 2015, and its lessons still apply. ## Email Providers - [Email Providers](https://bloghints.com/email-providers/): Business email providers compared for bloggers and small sites: free and paid options, custom domain support, SMTP settings and a free tester for each one. ## Pages - [About Bloghints](https://bloghints.com/about.php): About Bloghints: who runs the site, how it grew from a hand-checked web directory in 2006 into a blog and webmaster lists, and how every list is checked. - [Best Paid SEO Tools](https://bloghints.com/best-paid-seo-tools-small-business.php): The best paid SEO tools for small business compared: entry prices, free tiers and trials for Semrush, Ahrefs, Moz Pro, SE Ranking and Ubersuggest. - [Contact](https://bloghints.com/contact.php) - [Directory Features](https://bloghints.com/directory-features.php): What makes a good web directory: human review, clear rules, live listings, real visitors, plus what the IP, featured and verified columns on our lists mean. - [Directory Submission Guidelines](https://bloghints.com/directories-submission-guidelines.php): Web directory submission guidelines that get you approved: honest titles, plain descriptions, the right category, a working site and what editors reject. - [Free Directory Submission](https://bloghints.com/free-directory-submission-sites.php): How to submit to free directories step by step: prepare your details once, pick reviewed directories, fill in the form right, track each one, follow up. - [PageRank Checker and Top Websites](https://bloghints.com/pagerank/): Check the PageRank of any website for free and see the top sites by Open PageRank: the global top 1,000 and the best .ai, .io, .edu, .gov and .org domains. - [Privacy Policy](https://bloghints.com/privacy-policy.php): The Bloghints privacy policy in plain English: no visitor accounts, no cookies of our own for readers, AdSense cookies, what the submit form keeps and why. - [Search Engine Submission](https://bloghints.com/search-engine-listing-guide.php): How to submit your website to search engines: Google Search Console, Bing Webmaster Tools (also Yahoo), IndexNow, Yandex, Baidu and DuckDuckGo, step by step. - [Submit Your Directory](https://bloghints.com/submit-directory.php): Submit your directory or webmaster resource to Bloghints. Every site is reviewed by hand before it is added to a list. Free and featured listings available. - [Top .edu Websites by PageRank](https://bloghints.com/pagerank/top-edu-websites.php): The top .edu websites by PageRank: the US universities and colleges with the most links from other websites, ranked by their Open PageRank score. - [Top .gov Websites by PageRank](https://bloghints.com/pagerank/top-gov-websites.php): The top .gov websites by PageRank: US government agencies and state sites with the most links from other websites, ranked by Open PageRank score. - [Top .io Websites by PageRank](https://bloghints.com/pagerank/top-io-websites.php): The top .io websites by PageRank: developer tools, open-source projects and SaaS apps on .io, ranked by Open PageRank with their linking sites. - [Top .org Websites by PageRank](https://bloghints.com/pagerank/top-org-websites.php): The top .org websites by PageRank: Wikipedia, WordPress, Mozilla and other projects and non-profits, ranked by Open PageRank with linking sites. - [Top 1,000 Websites by PageRank](https://bloghints.com/pagerank/top-1000-websites.php): The top websites by PageRank: the 1,000 domains with the highest Open PageRank score, with how many sites link to each one and their global rank. - [Top AI Websites by PageRank](https://bloghints.com/pagerank/top-ai-websites.php): The top AI websites by PageRank: the .ai domains with the most links from other sites, from AI assistants to image, voice and developer tools. - [Video Submission Sites](https://bloghints.com/video-submission-sites-guide-digital-marketing.php): A video submission sites list of platforms that still accept uploads, from YouTube and Vimeo to Rumble and LinkedIn, plus video SEO basics from Google. - [Webmaster Lists](https://bloghints.com/webmaster-lists.php): All Bloghints webmaster lists in one place: free, paid, local and instant approval directories, bookmarking, article and classified sites, checked by hand. - [Websites with PageRank 9](https://bloghints.com/pagerank/pagerank-9-websites.php): Every website with PageRank 9 in the Open PageRank data: the few hundred domains at the very top, with their linking sites. No site reaches a full 10. ## Optional - [Sitemap](https://bloghints.com/sitemap.xml) - [RSS feed](https://bloghints.com/feed.xml)