Free Online Lazy Loading 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.
Lazy Loading Audit
Audit image and iframe loading attributes for lazy-loaded hero images, missing iframe lazy loading, and priority hint opportunities.
Upload page source or paste manually. Files are processed in your browser.
Paste page source, then run the audit.