Leakly
Sign inRun free audit
Leak library

PERF_ERROR_001● HighPerformance

Scripts are failing on the conversion path

By Leakly · Published · Updated

01The problem

The page raised JavaScript errors or failed requests while loading.

Script failures break the parts of a page that are usually the interactive ones — forms, validation, payment widgets. The visitor sees a dead control, not an error.

02How Leakly detects it

A structural fact counted in the rendered page, or a measurement against a threshold. Confidence ceiling for this detector family: 96%.

03Proof required

  • Elements located in the rendered page, with their position and size.

Without it, the finding is not reported.

04How to fix it

Fix the errors on the conversion path.

  1. Resolve the script errors and failed requests the browser reported.
  2. Check the form still submits when the failing script is blocked.

Each audit that finds this leak includes the exact element, a suggested change and, for copy, a rewrite you can paste.

Related leaks

The conversion page takes too long to show its main contentPERF_LCP_001The layout moves while the page is loadingPERF_LAYOUT_001The page is heavy enough to delay the offerPERF_WEIGHT_001
Find my leaks, free

Cookies

Strictly necessary storage keeps the site secure and remembers this choice. Analytics and ad measurement run unless you refuse them here. Cookie policy