Errors:
Bad value “x-dns-prefetch-control” for attribute “http-equiv” on element “meta”.
Attribute “mytour-ext” not allowed on element “a” at this point.
Attribute “modal-name” not allowed on element “a” at this point.
Attribute “js-t” not allowed on element “ul” at this point.
Attribute “js-t” not allowed on element “a” at this point.
Bad value “” for attribute “action” on element “form”: Must be non-empty.
Attribute “vk-check-suggest” not allowed on element “form” at this point.
Duplicate ID “the-basics”.
Duplicate ID “sandbox-container”.
Duplicate ID “datepicker”.
Duplicate ID “disabledInput”.
Attribute “mytour-ext” not allowed on element “strong” at this point.
Attribute “modal-name” not allowed on element “strong” at this point.
Saw “</>”. Probable causes: Unescaped “<” (escape as “<”) or mistyped end tag.
Self-closing syntax (“/>”) used on a non-void HTML element. Ignoring the slash and treating as a start tag.
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 “noscript”.
Bad value “true” for attribute “async” on element “script”.
The “aria-controls” attribute must point to an element in the same document.
Warnings:
The first occurrence of ID “the-basics” was here.
The first occurrence of ID “sandbox-container” was here.
The first occurrence of ID “datepicker” was here.
The first occurrence of ID “disabledInput” was here.
The “form” role is unnecessary for element “form”.
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