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What Is Plausible Analytics?

Library
plausible.io

Plausible Analytics is a lightweight, privacy-focused, open-source analytics service from Estonia. Its script is under 1 kB, it uses no cookies and collects no personal data, so it can run without a consent banner under GDPR. It is favoured by indie developers, open-source projects and privacy-conscious businesses.

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Why Plausible Analytics Matters

Libraries and third-party services are where a site's real behaviour lives: analytics, payments, auth, UI components and animation all arrive as scripts the browser can see. Knowing that Plausible Analytics is on a page tells you about its dependencies, its privacy footprint, and sometimes its build pipeline — and it helps you tell template-driven stacks from hand-assembled ones. We've fingerprinted Plausible Analytics on 18 live sites in our database, so the answers here are grounded in real scan data — not marketing copy.

Does Plausible Analytics Mean a Site Was Built With AI?

Plausible Analytics alone is not an AI signal.

A analytics service is standard web tooling used by hand-coding developers and AI tools alike. It becomes weak supporting context only in combination with other evidence — for example a shadcn/ui + Supabase + Vite bundle that matches a known AI-builder export — and never counts as proof on its own.

How this feeds the score: builder fingerprints, bundle artifacts and AI-tool traces are weighed separately from stack context like frameworks, libraries and hosting. The full breakdown is on How scores work.

How Websites Using Plausible Analytics Work

  • `<script defer data-domain="example.com" src="https://plausible.io/js/script.js">`
  • No cookies or localStorage; aggregated-only reporting
  • Self-hosted instances serve the script from the site's own domain
  • Suggests a privacy-aware owner; neutral on authorship

Best Practices When Working With Plausible Analytics

Based on patterns in our scan dataset and the detection evidence tiers.

  • →Start by running a Plausible Analytics detection scan on any URL you're evaluating — the 80+ signal engine returns a confidence score plus the exact markers it matched, which beats reading view-source by hand.
  • →Cross-check the result against the full detection evidence in /how-scores-work — confidence tiers tell you whether a match is strong (headers + scripts) or circumstantial (a single HTML pattern).

How we detect Plausible Analytics — see our methodology: AI Influence Score calculation, evidence tiers, and fingerprint signal types.

How Our Detector Identifies Plausible Analytics

Our scanner analyzes multiple layers of a website's technical fingerprint to detect Plausible Analytics usage.

  • Script URLs or inline script content matching "plausible.io/js" (high-confidence tier)
  • Assets loaded from CDN or domain patterns "plausible.io" (high-confidence tier)
  • Signal weights for Plausible Analytics: 90 points per high-tier match, 60 per medium, 30 per low — a site needs 60+ points before Plausible Analytics is reported.

Websites Built With Plausible Analytics

Real sites detected by our scanner

View all

What Plausible Analytics Sites Usually Run Alongside

Technologies detected on the same domains as Plausible Analytics in our most recent scans. Counts are unique domains, not page views.

Frequently Asked Questions About Plausible Analytics

What is Plausible Analytics?+

Plausible Analytics is a lightweight, privacy-focused, open-source analytics service from Estonia. Its script is under 1 kB, it uses no cookies and collects no personal data, so it can run without a consent banner under GDPR. It is favoured by indie developers, open-source projects and privacy-conscious businesses.

Does Plausible Analytics mean a website was built with AI?+

Plausible Analytics alone is not an AI signal. A analytics service is standard web tooling used by hand-coding developers and AI tools alike. It becomes weak supporting context only in combination with other evidence — for example a shadcn/ui + Supabase + Vite bundle that matches a known AI-builder export — and never counts as proof on its own.

Why does Plausible Analytics matter?+

Libraries and third-party services are where a site's real behaviour lives: analytics, payments, auth, UI components and animation all arrive as scripts the browser can see. Knowing that Plausible Analytics is on a page tells you about its dependencies, its privacy footprint, and sometimes its build pipeline — and it helps you tell template-driven stacks from hand-assembled ones. We've fingerprinted Plausible Analytics on 18 live sites in our database, so the answers here are grounded in real scan data — not marketing copy.

How do we detect Plausible Analytics?+

Our scanner checks for these signals: Script URLs or inline script content matching "plausible.io/js" (high-confidence tier); Assets loaded from CDN or domain patterns "plausible.io" (high-confidence tier); Signal weights for Plausible Analytics: 90 points per high-tier match, 60 per medium, 30 per low — a site needs 60+ points before Plausible Analytics is reported.. Each match contributes to a confidence score, and the full evidence tiers are documented at /how-scores-work.

How many websites using Plausible Analytics are in the database?+

We've fingerprinted 18+ live sites built with Plausible Analytics across our scan dataset. The list refreshes as new scans come in.

What are the typical characteristics of a Plausible Analytics website?+

`<script defer data-domain="example.com" src="https://plausible.io/js/script.js">`. No cookies or localStorage; aggregated-only reporting. Self-hosted instances serve the script from the site's own domain. Suggests a privacy-aware owner; neutral on authorship

Related Tools & Technologies

Other libraries and services we detect

Ready to put Plausible Analytics detection to work?

You now know what Plausible Analytics is, why it matters, how to spot it, and where the detection signals come from. The next step is using that knowledge on a real URL — yours, a competitor's, or a prospect's.