Sclogistics.com W3C HTML Markup Validation
HTML markup errors and warnings
(Rescan now...)
Errors:
Start tag “head” seen but an element of the same type was already open.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Bad value “100%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.
Attribute “type” not allowed on element “iframe” at this point.
The “allowtransparency” attribute on the “iframe” element is obsolete.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.
No space between attributes.
Warnings:
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
United States US
