Thomas-sanderson.co.uk W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Attribute “viewport-fit” not allowed on element “meta” 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.
Attribute “method” not allowed on element “input” at this point.
Attribute “target” not allowed on element “input” at this point.
Duplicate ID “do-4”.
Attribute “href” not allowed on element “p” at this point.
Attribute “type” not allowed on element “p” at this point.
Bad value “button” for attribute “type” on element “a”: Subtype missing.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Attribute “generated” not allowed on element “label” at this point.
Duplicate ID “checked”.
Bad value “nope” for attribute “autocomplete” on element “input”: The string “nope” is not a valid autofill field name.
The “for” attribute of the “label” element must refer to a non-hidden form control.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The first occurrence of ID “do-4” was here.
The first occurrence of ID “checked” 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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