The VitalsSniper Showroom
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.
#027Direct-to-Consumer Apparel Store (Shopify)
Website Teardown #027: Why This 7-Figure E-Commerce Store Has a 4.8s Mobile LCP
Mobile LCP4.8s (Failed)
DOM Depth2450 Nodes
Page Weight6.2MB
Flaw Discovered: Hero image lacked explicit fetchpriority="high" and was loaded via CSS background-image inside a nested carousel slider, preventing browser preloading.
Diagnosed via VitalsSniper PROView Teardown
#028B2B Enterprise Analytics Platform (Custom React/Next)
Website Teardown #028: Excessive DOM Depth and Script Execution in Enterprise SaaS
Mobile LCP3.9s (Failed)
DOM Depth3820 Nodes
Page Weight4.8MB
Flaw Discovered: Excessive DIV wrapping (nesting depth > 24 levels) caused severe style recalculation penalties during mobile scroll interactions, triggering INP failures.
Diagnosed via VitalsSniper PROView Teardown