Gladly.com W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The first occurrence of ID “top-nav-btn-form” was here.
The first occurrence of ID “qblock-1” was here.
The first occurrence of ID “qblock-2” was here.
The first occurrence of ID “qblock-3” was here.
The first occurrence of ID “qblock-4” was here.
The first occurrence of ID “qblock-5” was here.
The first occurrence of ID “cblock-1” was here.
The first occurrence of ID “cblock-2” was here.
The first occurrence of ID “cblock-3” was here.
The first occurrence of ID “cblock-4” was here.
Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Stray end tag “script”.
Duplicate ID “top-nav-btn-form”.
Attribute “defaultmuted” not allowed on element “video” at this point.
Bad value “” for attribute “poster” on element “video”: Must be non-empty.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate ID “qblock-1”.
Duplicate ID “qblock-2”.
Duplicate ID “qblock-3”.
Duplicate ID “qblock-4”.
Duplicate ID “qblock-5”.
Duplicate ID “cblock-1”.
Duplicate ID “cblock-2”.
Duplicate ID “cblock-3”.
Duplicate ID “cblock-4”.
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