Free Third-Party Script Analyzer
Categorize external scripts in your HTML by type: analytics, advertising, support, social, and other. Checks async/defer status.
100% client-side - your data never leaves your browser.
Paste HTML to detect third-party scripts and their performance impact.
Want automated scanning?
SCOUTb2 runs 25+ accessibility, performance, SEO, and security checks on any page automatically.
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