Happn.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
A “link” element with a “sizes” attribute must have a “rel” attribute that contains the value “icon” or the value “apple-touch-icon”.
Bad value “36px” for attribute “height” on element “img”: Expected a digit but saw “p” instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “44px” for attribute “height” on element “img”: Expected a digit but saw “p” instead.
Bad value “” for attribute “src” on element “img”: Must be non-empty.
Bad value “24px” for attribute “height” on element “img”: Expected a digit but saw “p” instead.
Bad value “28px” for attribute “height” on element “img”: Expected a digit but saw “p” instead.
Bad value “110x” for attribute “height” on element “img”: Expected a digit but saw “x” instead.
Duplicate ID “app-concept-3”.
No space between attributes.
Bad value “” for attribute “id” on element “form”: An ID must not be the empty string.
The “for” attribute of the “label” element must refer to a non-hidden form control.
Warnings:
The first occurrence of ID “app-concept-3” was here.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
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