Free Online Image Dimension 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.
Image Dimension Audit
Check image tags for missing width and height attributes, oversized declared dimensions, empty alt text, and layout shift risks.
Upload page source or paste manually. Files are processed in your browser.
Paste page source, then run the audit.