Ogrodosfera.pl W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate ID “SubscriberEmail”.
Bad value “true” for attribute “async” on element “script”.
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
The first occurrence of ID “SubscriberEmail” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Empty heading.
The “type” attribute is unnecessary for JavaScript resources.
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