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Site health

Find slow pages, script errors and missing pages

The same one-line script also reports how your pages hold up in your visitors' browsers. The Core Web Vitals LCP, INP and CLS are rated good, needs improvement or poor for each page. JavaScript errors are counted by kind and by the file that failed, never with messages or stack traces. Add one meta tag to your 404 template and you see which missing addresses people run into.

  • Core Web Vitals LCP, INP and CLS, rated good, needs improvement or poor
  • Performance per page, so you know where to start
  • JavaScript error kinds and failed files per page, without messages or stack traces
  • Views of your 404 page per address, after adding one meta tag

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Illustration with example values

More of what Fast Web Tracking does

  • Navigation flow

    Pick any page and see where people came from and where they went next, as plain counts.

  • Privacy first

    Only counters are stored. No cookies, no identifiers, no fingerprinting and no IP addresses.

  • Simple setup

    Paste one script tag into the head of your website. About 4 KB, about 2 KB compressed.

  • Engagement and conversions

    See how far people scroll, how long they stay active and which buttons and forms get used.

  • Managed by Claude or ChatGPT

    Connect Claude, ChatGPT, Cursor or VS Code, then set up tracking and ask about your statistics in plain language.

Add one line and see your first page view

The Free plan costs nothing and needs no credit card details. Add your website, paste the snippet and open your site.

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