Surftotal.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.
The first occurrence of ID “video-container” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Errors:
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate ID “video-container”.
No “p” element in scope but a “p” end tag seen.
Duplicate attribute “data-tablet”.
Self-closing syntax (“/>”) used on a non-void HTML element. Ignoring the slash and treating as a start tag.
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