Free Online HTML Script Defer Audit
Scan HTML script tags for blocking scripts, missing async or defer attributes, inline scripts, modules, and third-party sources. This tool runs locally in your browser with no upload to a server.
HTML Script Defer Audit
Scan HTML script tags for blocking scripts, missing async or defer attributes, inline scripts, modules, and third-party sources.
Or paste manually below. Files are processed in your browser and are not uploaded.
Results will appear here.