Hondencentrum.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
Duplicate ID “latest_dogs”.
Attribute “rel” not allowed on element “button” 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 “fb:like:layout” not allowed on element “a” at this point.
Attribute “fb:like:width” not allowed on element “a” at this point.
Attribute “fb:like:locale” not allowed on element “a” at this point.
Attribute “g:plusone:size” not allowed on element “a” at this point.
Bad value “” for attribute “action” on element “form”: Must be non-empty.
Stray end tag “noscript”.
Attribute “heigth” not allowed on element “img” at this point.
Warnings:
The first occurrence of ID “latest_dogs” was here.
Attribute “fb:like:layout” is not serializable as XML 1.0.
Attribute “fb:like:width” is not serializable as XML 1.0.
Attribute “fb:like:locale” is not serializable as XML 1.0.
Attribute “g:plusone:size” is not serializable as XML 1.0.
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