Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The “banner” role is unnecessary for element “header”.
Attribute “xmlns” is not serializable as XML 1.0.
The “navigation” role is unnecessary for element “nav”.
The “main” role is unnecessary for element “main”.
The “article” role is unnecessary for element “article”.
Attribute “-” is not serializable as XML 1.0.
Attribute “zboží,” is not serializable as XML 1.0.
Attribute “není""” is not serializable as XML 1.0.
The “contentinfo” role is unnecessary for element “footer”.
Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Bad value “website” for attribute “itemtype” on element “meta”: The string “website” is not an absolute URL.
Element “meta” is missing one or more of the following attributes: “content”, “itemprop”, “name”.
Bad value “__bkframe” for attribute “name” on element “iframe”: Browsing context name started with the underscore.
The “frameborder” attribute on the “iframe” element is obsolete.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.
Stray end tag “head”.
Start tag “body” seen but an element of the same type was already open.
Bad value “//www.w3.org/2000/svg” for the attribute “xmlns” (only “http://www.w3.org/2000/svg” permitted here).
No space between attributes.
Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Attribute “kaufland” not allowed on element “a” at this point.
Attribute “kontraproduktivně” not allowed on element “a” at this point.
Attribute “-” not allowed on element “a” at this point.
Attribute “v” not allowed on element “a” at this point.
Attribute “televizi” not allowed on element “a” at this point.
Attribute “promuje” not allowed on element “a” at this point.
Attribute “zboží,” not allowed on element “a” at this point.
Attribute “které” not allowed on element “a” at this point.
Attribute “pak” not allowed on element “a” at this point.
Attribute “na” not allowed on element “a” at this point.
Attribute “prodejně” not allowed on element “a” at this point.
Attribute “není""” not allowed on element “a” at this point.
The “itemprop” attribute was specified, but the element is not a property of any item.
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