Paste page source — or fetch a live URL — and see exactly which analytics and marketing tags fire on the page, with IDs where visible.
🔒 Privacy-conscious by design. This tool needs an internet connection for part of its work (for example, fetching a public resource). Only the data required for that step leaves your device — nothing is logged or stored, and everything else runs locally.
Only the GTM container itself is visible in static HTML — tags fired inside GTM need the Tag Assistant or network inspection.
An unfamiliar measurement ID means data flows somewhere you didn't authorize — often leftover agency or theme code.
| Platform | Supported | Offline | Local | Server | Network |
|---|---|---|---|---|---|
| WEB | Yes | No | Yes | No | Required |
| PWA | Yes | No | Yes | No | Required |
| ANDROID | Yes | No | Yes | No | Required |
| IOS | Yes | No | Yes | No | Required |
Score a page's on-page SEO from its HTML — title, headings, images and social tags.
Audit a page's title, description, canonical and social tags from its HTML.
Estimate page-weight performance hints from HTML — markup size, scripts and images.
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