Davannis.com W3C HTML Markup Validation
HTML markup errors and warnings
(Rescan now...)
Errors:
A document must not include more than one “meta” element with its “name” attribute set to the value “description”.
Bad value “Cabin Sketch-css” for attribute “id” on element “link”: An ID must not contain whitespace.
Bad value “Open Sans-css” for attribute “id” on element “link”: An ID must not contain whitespace.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
No space between attributes.
Saw “<!--” within a comment. Probable cause: Nested comment (not allowed).
Bad value “banner” for attribute “role” on element “main”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Warnings:
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
The “region” role is unnecessary for element “section”.
The “contentinfo” role is unnecessary for element “footer”.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).
United States US