About us

What we do

Online SEO Test gives website owners, marketers and developers a fast, honest view of how a site performs in search. Our free audit runs more than 55 checks across on-page SEO, technical SEO, speed, security and AI search readiness, and explains every issue in plain English with a clear fix.

Alongside the audit you will find more than 50 focused tools – from a full-site crawler and Core Web Vitals checker to schema, robots.txt and sitemap generators – and a library of practical guides.

How the tools work

Our checks read your pages the way a search engine crawler does: we request the page, follow redirects, read the HTML and headers, and test related files such as robots.txt and your XML sitemap. Speed tests use Google’s PageSpeed Insights and real-user data from the Chrome UX Report.

Our principles

• Free to use. The audit and tools are free, with no sign-up required.
• Clear explanations. Every result says what it means and what to do next.
• Based on official guidance. Recommendations follow documentation from Google, Bing and web standards bodies, not myths.

Contact

Questions, ideas or found a bug? Send us a message.