Do search engines
actually see your H1 tags?
Find out if crawlers can read your page structure—before it costs you AI visibility.
Why H1 visibility matters
Search engines and AI models rely on H1 tags to understand what your page is about. But if your H1 is rendered by JavaScript, crawlers might never see it.
This tool shows you exactly what crawlers see vs what browsers render—so you can fix the gap before it costs you AI visibility.