Forensic Website Teardowns
Real production teardowns documenting exact DOM nodes, script evaluation freezes, and mobile Core Web Vitals failures. See how our diagnostic tools uncover flaws that general audit checkers miss.
Website Teardown #027: Why This 7-Figure E-Commerce Store Has a 4.8s Mobile LCP
Flaw Discovered: Hero image lacked explicit fetchpriority="high" and was loaded via CSS background-image inside a nested carousel slider, preventing browser preloading.
Website Teardown #028: Excessive DOM Depth and Script Execution in Enterprise SaaS
Flaw Discovered: Excessive DIV wrapping (nesting depth > 24 levels) correlated with elevated style recalculation penalties during mobile scroll interactions, contributing to high interaction latency.
Website Autopsy #001: A Full Mobile Performance Teardown
Flaw Discovered: Video hero background (4.2MB MP4) was loaded eagerly without preload controls, starving bandwidth from the Largest Contentful Paint text node.
Website Teardown #029: Why This High-Growth Shopify Brand Has a 5.1s Mobile LCP
Flaw Discovered: High-resolution uncompressed JPEG hero (1.8MB) was loaded via CSS background-image in an app carousel without preload headers or fetchpriority="high", delaying mobile LCP by 2,400ms.
Website Teardown #030: 3,800 DOM Elements and 24 Nested Levels in a Page Builder
Flaw Discovered: Extreme DIV nesting (depth 24) resulted in 420ms of continuous style recalculation during mobile scroll, triggering severe interaction latency and layout thrashing.