Saatkorn.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “true” for attribute “allowfullscreen” on element “iframe”.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
No “p” element in scope but a “p” end tag seen.
Duplicate ID “mailpoet_form_1”.
Duplicate attribute “class”.
Warnings:
The “navigation” role is unnecessary for element “nav”.
Empty heading.
The first occurrence of ID “mailpoet_form_1” was here.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
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