Free tools
13 free checks for the ways a page silently breaks
Each tool runs the same scan engine behind CopyMosaic's paid monitoring and answers one question about the page you paste — is the buy button alive, is the SSL valid, did a redirect eat your UTMs. Free, no signup, honest about what it can and can't see.
Is your buy button broken?Buy button checkerWill your link look broken when shared?Link preview checkerIs your SSL certificate still valid?SSL checkerDo your redirects actually resolve?Redirect checkerIs your page secretly returning a 404?HTTP status checkerIs your page leaking an API key?Exposed API key checkerDid placeholder text make it to production?Placeholder text checkerIs your page hidden from Google?Noindex checkerWill your page render at desktop width on phones?Viewport meta checkerDoes your site have a sitemap?Sitemap checkerAre your security headers set?Security headers checkerIs your page throwing JavaScript errors?JavaScript error checkerDo your tracking links survive the redirect?UTM tracking checker
Checked once is not watched
Every check above is a snapshot: true the second it runs, silent the day after, when the deploy that actually breaks your page ships. Paid monitoring re-runs all of them against your money pages daily and emails you the day one flips. If you monitor one surface, make it the one that takes the money:
CopyMosaic checks what an unauthenticated visitor can see from the outside. It does not verify server-side tracking, payment completion, CRM routing, or logged-in flows.