Bench.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Duplicate ID “fourth”.
Duplicate ID “menu-resources”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate ID “three-grid”.
Duplicate ID “three-one”.
Duplicate ID “three-two”.
Duplicate ID “three-three”.
Attribute “datatype” not allowed on element “span” at this point.
Attribute “content” not allowed on element “span” at this point.
Duplicate ID “four-left”.
Duplicate ID “four-right”.
Warnings:
The first occurrence of ID “fourth” was here.
The first occurrence of ID “menu-resources” was here.
The first occurrence of ID “three-grid” was here.
The first occurrence of ID “three-one” was here.
The first occurrence of ID “three-two” was here.
The first occurrence of ID “three-three” was here.
The first occurrence of ID “four-left” was here.
The first occurrence of ID “four-right” was here.
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