Dronedj.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.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
The first occurrence of ID “news-placeholder” was here.
Errors:
No “li” element in scope but a “li” end tag seen.
When the “srcset” attribute has any image candidate string with a width descriptor, the “sizes” attribute must also be present.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “rel” not allowed on element “span” at this point.
Duplicate ID “news-placeholder”.
Bad value “generator nofollow” for attribute “rel” on element “a”: The string “generator” is not a registered keyword.
Bad value “x-tmpl-mustache” for attribute “type” on element “script”: Subtype missing.
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