Anem.dz W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Quirky doctype. Expected “<!DOCTYPE html>”.
Stray doctype.
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Self-closing syntax (“/>”) used on a non-void HTML element. Ignoring the slash and treating as a start tag.
The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.
The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The “textbox” role is unnecessary for an “input” element that has no “list” attribute and whose type is “text”.
Consider adding a “lang” attribute to the “html” start tag to declare the language of this document.
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