Cs-online.club W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Attribute “alt” not allowed on element “a” at this point.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The “center” element is obsolete. Use CSS instead.
The “valign” attribute on the “td” element is obsolete. Use CSS instead.
The “valign” attribute on the “tr” element is obsolete. Use CSS instead.
Attribute “alt” not allowed on element “i” at this point.
Table column 2 established by element “td” has no cells beginning in it.
Attribute “alt” not allowed on element “span” at this point.
Too many messages.
Warnings:
A table row was 2 columns wide and exceeded the column count established by the first row (1).
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