Marinsoftware.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “jp” for attribute “hreflang” on element “link”: The language subtag “jp” is not a valid ISO language part of a language tag.
Duplicate ID “et_monarch-open-sans-css”.
Duplicate ID “et_monarch-css-css”.
Bad value “” for attribute “id” on element “body”: An ID must not be the empty string.
Attribute “plays” not allowed on element “video” at this point.
Attribute “inline” not allowed on element “video” at this point.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “https://www.w3.org/2000/svg” for the attribute “xmlns” (only “http://www.w3.org/2000/svg” permitted here).
Duplicate ID “Layer_1”.
Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The “type” attribute for the “style” element is not needed and should be omitted.
The first occurrence of ID “et_monarch-open-sans-css” was here.
The first occurrence of ID “et_monarch-css-css” was here.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
Empty heading.
Attribute “xmlns” is not serializable as XML 1.0.
The first occurrence of ID “Layer_1” 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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