Errors:
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Bad value “100%” for attribute “width” on element “video”: Expected a digit but saw “%” instead.
Bad value “100%” for attribute “height” on element “video”: Expected a digit but saw “%” instead.
Bad value “history” for attribute “rel” on element “a”: The string “history” is not a registered keyword.
The “align” attribute on the “iframe” element is obsolete. Use CSS instead.
No “p” element in scope but a “p” end tag seen.
Duplicate ID “dek”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “100%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.
Bad value “100%” for attribute “height” on element “iframe”: Expected a digit but saw “%” instead.
Attribute “webkitallowfullscreen” not allowed on element “iframe” at this point.
Attribute “mozallowfullscreen” not allowed on element “iframe” at this point.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Bad value “” for attribute “action” on element “form”: Must be non-empty.
Bad value “” for attribute “method” on element “form”.
Duplicate ID “login-email”.
Duplicate ID “login-submit”.
Bad value “” for attribute “for” on element “label”: An ID must not be the empty string.
The “for” attribute of the “label” element must refer to a non-hidden form control.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
Empty heading.
The first occurrence of ID “dek” was here.
The first occurrence of ID “login-email” was here.
The first occurrence of ID “login-submit” was here.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
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