Free instant audit · No signup required
See what your customers actually see.
Paste any URL. Guard renders it in a real browser, runs every production check, and shows you the render integrity, SEO, performance, and conversion risks behind a 200 OK response — in seconds.
Production-grade checksReal browser renderResults in seconds
Render integrity
Catches blank pages, script shells, and JS crashes that return 200 OK but show nothing.
SEO & AI readability
Verifies titles, structured data, canonicals, and what crawlers and AI models actually read.
Performance & Core Web Vitals
Measures real response time and rendering speed the way a visitor experiences it.
Content stability
Detects when key content silently disappears between deploys.