Adventurecycling.org W3C HTML Markup Validation
HTML markup errors and warnings
(Rescan now...)
Errors:
A “link” element with a “sizes” attribute must have a “rel” attribute that contains the value “icon” or the value “apple-touch-icon”.
Attribute “dropdown-toggle” not allowed on element “a” at this point.
Stray end tag “div”.
End tag “header” seen, but there were open elements.
Unclosed element “nav”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate ID “homepage_acaad1”.
Bad value “true” for attribute “allowfullscreen” on element “iframe”.
Attribute “allowscriptaccess” not allowed on element “iframe” at this point.
Bad value “383.5959885386819” for attribute “width” on element “iframe”: Expected a digit but saw “.” instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
Warnings:
The first occurrence of ID “homepage_acaad1” was here.
United States US