ประสิทธิภาพ

Draw freehand annotations on the active page with a local overlay.

Toggle a print-media preview overlay to spot print-only and screen-only issues.

Inventory scripts and stylesheets on the active page with transfer size hints.

Save and restore scroll position per page URL locally.

RSVP speed-reading for selected page text or pasted text in the popup.

Estimate Core Web Vitals-style metrics (LCP, CLS, resources) on the active page.