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Verify favicon setup across all required sizes, check for a web app manifest, inspect PWA icons (192px, 512px), theme-color, and service worker signals. Get a step-by-step PWA checklist.
Best for
Use this tool when you need one sharp answer fast before opening a broader report.
The input and results are designed to stay readable and tappable on smaller screens.
This page targets both broad keywords and practical queries people use before they audit a specific domain.
Frequently asked questions
Yes — the Favicon & PWA Checker is 100% free with no signup, no account, and no usage limits. Just enter a URL and get instant results.
Our Favicon & PWA Checker runs live checks against the target website in real time. Results reflect the current state of the site at the moment you run the check — not cached or historical data.
At minimum: 16×16 and 32×32 for browsers, 180×180 for Apple Touch Icon, 192×192 and 512×512 for Android/PWA. A /favicon.ico fallback is also recommended.
A Progressive Web App needs: a web app manifest (manifest.json), a service worker, HTTPS, icons in 192px and 512px sizes, and a theme-color meta tag.