What Is an SPF Record?
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.
Start with a free SEO checkup of your site: a score out of 100 and the problems to fix first, in about 15 seconds.
Also here: hand-checked directory and link lists, plain-English Basic guides, SEO and AI tool picks. Run by one webmaster since 2006.
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.
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.
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.
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.
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.
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.
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.
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.
Editors reject most directory submissions for simple reasons. Prepare the right title, description, category and contact details, then follow these steps.
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.