Future-processing.pl 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.
Duplicate ID “submenu-head-29”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate ID “submenu-head-6567”.
Duplicate ID “submenu-head-7263”.
No space between attributes.
Duplicate ID “submenu-head-7269”.
Duplicate ID “submenu-head-7297”.
Duplicate ID “submenu-7391”.
Element “img” is missing required attribute “src”.
Element “data” is missing required attribute “value”.
Warnings:
The first occurrence of ID “submenu-head-29” was here.
The first occurrence of ID “submenu-head-6567” was here.
The first occurrence of ID “submenu-head-7263” was here.
The first occurrence of ID “submenu-head-7269” was here.
The first occurrence of ID “submenu-head-7297” was here.
The first occurrence of ID “submenu-7391” was here.
Empty heading.
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