FlowCanary

FlowCanary is a free 30-second health check for apps built with Lovable, Bolt, Replit, v0 and Cursor. Paste a public URL, no signup needed. It checks homepage status, speed, redirects, HTTPS and key pages, plus broken links and raw HTML vs the rendered page on your homepage. It also checks robots.txt, sitemap and noindex, and flags a missing title, description, canonical or og:image. Every issue comes with a fix prompt you can copy and paste. The check is passive: it never logs in, submits forms or creates accounts.