Followupthen.com W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “hero” was here.
Attribute “"” is not serializable as XML 1.0.
The first occurrence of ID “hero-headline” was here.
Errors:
Bad value “200px” for attribute “width” 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 “150px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.
Bad value “110px” for attribute “height” on element “img”: Expected a digit but saw “p” instead.
Bad value “70px” for attribute “height” on element “img”: Expected a digit but saw “p” instead.
No space between attributes.
Saw “"” when expecting an attribute name. Probable cause: “=” missing immediately before.
Duplicate ID “hero”.
Attribute “"” not allowed on element “section” at this point.
Duplicate ID “hero-headline”.
Attribute “autocapitalize” not allowed on element “input” at this point.
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