Kilotest: Diagnoses of attribute value invalid violation by HTML element 396 on Freedom Forum contact page

Basics

About the page

About the issue

About the violator

Diagnoses

Here is how rule engines diagnose the attribute value invalid issue for HTML element 396 of the Freedom Forum contact page.

  1. Bad value https://ad.ipredictive.com/d/track/event?upid=113210&url=https%3A%2F%2Fwww.freedomforum.org%2Fcontact-us%2F&cache_buster=[timestamp]&ps=2 for attribute src on element img: Illegal character in query. [ is not allowed.

    Rule engine: Html Checker API (World Wide Web Consortium)