Free website crawler
One page tells you little. This reads your whole site, up to 500 pages, and shows what repeats, what’s missing and what’s lost.
Free backlink checker
Links from other websites are how search engines learn to trust yours. See who links to any domain, in seconds.

Free broken link checker
Every link on one page, tested: what works, what redirects and what is gone.

Free sitemap checker
Finding a sitemap is the easy part. This one opens it and tests the pages inside.

Free hreflang checker
Hreflang only works when every language points back. This check visits each version to see.

Free robots.txt tester
Enter a site and a page, and see which crawlers may read it, and which rule decides.

Free redirect checker
Your address typed four ways, as people type it, and where each one really ends.

Free security headers checker
See which protective headers your site sends, and get the exact lines to add for your platform or server.

Free structured data checker
See what your page tells search engines about itself, and what is missing for rich results.

Free Google search result preview
Your title and description as Google shows them, measured to where Google cuts.

Free llms.txt generator
A first draft built from your own site, ready to correct and publish.

Free social share preview
See what people get when your link lands in a chat or a feed, before it does.

Free DMARC and SPF checker
Two DNS records decide whether someone can send mail in your name. Read yours in seconds.
