: Attempt to "break" the site by submitting incomplete forms, testing all links for 404 errors, and verifying checkout flows.

: Test all functionality (forms, buttons, navigation) on a smartphone first, as most traffic is mobile.

: Ensure the site passes the "3-second rule"; any longer often leads to immediate bounce.

Content should serve a specific purpose and align with the brand's core values. How to write a transformative website review | by Paul Boag

A site that doesn't function correctly will lose users before they even read your content.