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This tab shows pages that do not comply with W3C standards.
13 issues on 8 pages
meta
http-equiv
content-type
charset
aria-labelledby
:name
role
@charset
@charset rules are more restrictive than other @rules:
CSS colors can be specified as:
head
html
7 issues on 6 pages
aria-disabled
disabled
aria-required
required
button
main
<!DOCTYPE html>
2 issues on 2 pages
aria-label
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