Free Third-Party Script Auditor
Audit external vendors on any webpage. Detect analytics, ads, support widgets, replay tools, consent managers, payment scripts, and third-party hostnames from one live URL.
Run a third-party vendor audit
We'll inspect the page's initial HTML response for external vendors, classify what they do, and highlight privacy or performance concerns worth reviewing.
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What a third-party script auditor should reveal
A useful third-party script auditor does more than list script tags. It should identify which vendors are present, group them by purpose, and highlight what that means for performance, privacy, and operational complexity.
This tool inspects the page's initial HTML response, classifies known vendors like analytics, chat, consent, ads, replay, and payments, and then flags patterns that often deserve a closer review.
Why third-party vendor sprawl matters
Every external vendor can add network overhead, governance complexity, consent implications, or failure risk. A page with multiple analytics tools, marketing pixels, support widgets, and replay scripts can become hard to reason about quickly.
That does not always mean third parties are bad. It means visibility matters. If you know what is loading, you can decide what should stay, what should be deferred, and what needs legal or performance review.
Important limitation
This audit focuses on what can be detected from the initial fetched HTML and directly referenced assets. Some vendors only appear after client-side rendering, consent acceptance, or runtime network requests. A future headless pass would surface even more, but this check is already strong for initial load auditing.