Clear, practical explainers for robots.txt, sitemaps, meta tags, structured data and technical SEO — each linked to the right free tool.
robots.txt tells crawlers where they may and may not go. One wrong line can remove your whole site from search — here is how to get it right.
Read guide (8 min read) Technical SEOA sitemap is your site’s list of URLs for crawlers. Used well it speeds up discovery and surfaces important pages; used badly it wastes crawl budget.
Read guide (7 min read) On-page SEOMeta tags do not lift rankings by themselves — but titles and descriptions win clicks, and canonical tags prevent duplicate-content problems.
Read guide (8 min read) On-page SEOStructured data helps search engines understand your content and can unlock rich results. Here is how to add it correctly — and avoid penalties.
Read guide (8 min read) CheckersTechnical issues quietly cap your rankings. This checklist covers HTTPS, redirects, status codes, broken links and headers — and how to check each one free.
Read guide (8 min read)Explore the whole collection — no signup, 100% free & private.