Feriadellibro.com W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “main_nav0” was here.
The first occurrence of ID “sub_main_nav0” was here.
Errors:
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate attribute “class”.
Duplicate ID “main_nav0”.
Duplicate ID “sub_main_nav0”.
Element “ul” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Stray start tag “script”.
Cannot recover after last error. Any further errors will be ignored.
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