Glenigan.com W3C HTML Markup Validation
HTML markup errors and warnings
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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 “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Duplicate ID “a”.
Duplicate ID “b”.
Duplicate ID “linear-gradient”.
Duplicate ID “linear-gradient-2”.
Duplicate ID “Layer_2”.
Duplicate ID “Layer_1-2”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Stray end tag “head”.
Start tag “body” seen but an element of the same type was already open.
Cannot recover after last error. Any further errors will be ignored.
Warnings:
The first occurrence of ID “a” was here.
The first occurrence of ID “b” was here.
The first occurrence of ID “linear-gradient” was here.
The first occurrence of ID “linear-gradient-2” was here.
The first occurrence of ID “Layer_2” was here.
The first occurrence of ID “Layer_1-2” was here.
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