Use the WebONE Favicon Checker to inspect how a public website exposes favicons and related PWA / mobile signals. Enter a URL and the tool fetches the HTML, resolves link and meta tags, probes icon URLs, reads Web App Manifest JSON when linked, and checks /favicon.ico at the site origin.

What this favicon audit covers

• Classic favicons: rel="icon" / shortcut icon, declared sizes, detected dimensions or MIME type, and the /favicon.ico fallback
• Apple & Safari: apple-touch-icon links (including 180×180 guidance) and mask-icon for pinned tabs
• Manifest & install UX: linked manifest, icon entries (192×192 and 512×512), plus summary fields such as name, start_url, and display
• Browser chrome & tiles: meta name="theme-color", viewport, application-name, and optional Windows tile meta
• Actionable output: checklist, score heuristic, recommendations, and tables you can use for QA or handoff to developers

Who should use an online favicon checker

Developers, SEOs, and designers use a favicon checker after deploys, migrations, or template changes to confirm icons and manifest data stay consistent. This is a best-effort technical preview: always validate in real browsers and on devices, especially for progressive web apps and home-screen shortcuts. Results depend on the target server allowing the request and returning representative HTML.