Errors:
Unsupported character encoding name: “utf-8utf-8”. Will sniff.
Legacy doctype. Expected “<!DOCTYPE html>”.
Bad value “https://www.w3.org/1999/xhtml” for the attribute “xmlns” (only “http://www.w3.org/1999/xhtml” permitted here).
Bad value “Content-Style-Type” for attribute “http-equiv” on element “meta”.
The text content of element “script” was not in the required format: Expected space, tab, newline, or slash but found “{” instead.
The “charset” attribute on the “link” element is obsolete. Use an HTTP Content-Type header on the linked resource instead.
The “align” attribute on the “div” element is obsolete.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.
The “center” element is obsolete. Use CSS instead.
The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.
The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.
The “align” attribute on the “td” element is obsolete. Use CSS instead.
Attribute “flex-wrap” not allowed on element “div” at this point.
Attribute “flex” not allowed on element “div” at this point.
Attribute “flex-box” not allowed on element “div” at this point.
Attribute “flex-order” not allowed on element “div” at this point.
Duplicate ID “red”.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “width” attribute on the “table” element is obsolete. Use CSS instead.
Duplicate ID “footer_logo”.
Attribute “flex-justify” not allowed on element “div” at this point.
Attribute “align-items” not allowed on element “div” at this point.
Warnings:
Attribute “xmlns” is not serializable as XML 1.0.
The “charset” attribute on the “script” element is obsolete.
The “type” attribute is unnecessary for JavaScript resources.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The first occurrence of ID “red” was here.
The first occurrence of ID “footer_logo” was here.
Consider adding a “lang” attribute to the “html” start tag to declare the language of this document.
Russian Federation RU