Kilotest: Diagnoses of multiple mains violation by HTML element 899 on Fair Vote page

Basics

About the page

About the issue

About the violator

Diagnoses

Here is how rule engines diagnose the multiple mains issue for HTML element 899 of the Fair Vote page.

  1. A document must not include more than one visible main element.

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