Portaloswiatowy.pl W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Stray end tag “div”.
Duplicate ID “elasticSearchTopMenuVisibleInput”.
Duplicate ID “elasticSearchTopMenuForm”.
Duplicate ID “elasticSearchSmartButton”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate ID “main-tools-pos3”.
End tag “a” violates nesting rules.
Cannot recover after last error. Any further errors will be ignored.
Warnings:
The “navigation” role is unnecessary for element “nav”.
The first occurrence of ID “elasticSearchTopMenuVisibleInput” was here.
The first occurrence of ID “elasticSearchTopMenuForm” was here.
The first occurrence of ID “elasticSearchSmartButton” was here.
The first occurrence of ID “main-tools-pos3” was here.
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