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Error Bogus comment. Found 650 times on this site.
Error Element “input” is missing required attribute “alt”. Found 182 times on this site.
Error No “p” element in scope but a “p” end tag seen. Found 139 times on this site.
Error The “valign” attribute on the “td” element is obsolete. Use CSS instead. Found 110 times on this site.
Error The “nowrap” attribute on the “td” element is obsolete. Use CSS instead. Found 108 times on this site.
Error Text not allowed in element “iframe” in this context. Found 98 times on this site.
Error X-UA-Compatible HTTP header must have the value “IE=edge”, was “IE=edge,chrome=1”. Found 95 times on this site.
Error The “profile” attribute on the “head” element is obsolete. To declare which “meta” terms are used in the document, instead register the names as meta extensions. To trigger specific UA behaviors, use a “link” element instead. Found 95 times on this site.
Error Attribute “value” not allowed on element “input” at this point. Found 91 times on this site.
Error Bad value “cleartype” for attribute “http-equiv” on element “meta”. Found 91 times on this site.
Error The “width” attribute on the “td” element is obsolete. Use CSS instead. Found 90 times on this site.
Error Bad value “178px” for attribute “width” on element “img”: Expected a digit but saw “p” instead. Found 89 times on this site.
Error Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.) Found 66 times on this site.
Error The “align” attribute on the “p” element is obsolete. Use CSS instead. Found 61 times on this site.
Error Attribute “st_url” not allowed on element “span” at this point. Found 56 times on this site.
Error Attribute “st_title” not allowed on element “span” at this point. Found 56 times on this site.
Error Attribute “displaytext” not allowed on element “span” at this point. Found 56 times on this site.
Error Bad value “true” for attribute “async” on element “script”. Found 52 times on this site.
Error Attribute “st_via” not allowed on element “span” at this point. Found 49 times on this site.
Error Attribute “st_username” not allowed on element “span” at this point. Found 49 times on this site.
Error The “valign” attribute on the “tr” element is obsolete. Use CSS instead. Found 42 times on this site.
Error An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images. Found 29 times on this site.
Error Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.) Found 18 times on this site.
Error When the attribute “xml:lang” in no namespace is specified, the element must also have the attribute “lang” present with the same value. Found 10 times on this site.
Error The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead. Found 8 times on this site.