Free Online Third Party Script Audit
Use this browser-based performance audit tool to review pasted page source before launch or optimization. Your input stays in your browser, and the copyable report gives you practical cleanup priorities.
Third Party Script Audit
Audit third-party scripts and vendors from pasted HTML, including synchronous tags, analytics, ads, pixels, duplicate vendors, and page-speed risk.
Upload page source or paste manually. Files are processed in your browser.
Paste page source, then run the audit.