Kilotest: Diagnoses of attribute invalid violation by HTML element 57 on Cultural Survival contact page

Basics

About the page

About the issue

About the violator

Diagnoses

Here is how rule engines diagnose the attribute invalid issue for HTML element 57 of the Cultural Survival contact page.

  1. Attribute webkitallowfullscreen not allowed on element iframe at this point.

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

  2. Attribute mozallowfullscreen not allowed on element iframe at this point.

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