Errors:
Legacy encoding “windows-1250” used. Documents must use UTF-8.
Start tag seen without seeing a doctype first. Expected “<!DOCTYPE html>”.
Bad value “text/html; charset=windows-1250” for attribute “content” on element “meta”: “charset=” must be followed by “utf-8”.
CSS: “B”: Parse Error.
CSS: “background-position”: Too many values or values are not recognized.
Attribute “bgproperties” not allowed on element “body” at this point.
The “bgcolor” attribute on the “body” element is obsolete. Use CSS instead.
The “text” attribute on the “body” element is obsolete. Use CSS instead.
The “background” attribute on the “body” element is obsolete. Use CSS instead.
The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.
The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.
The “width” attribute on the “table” element is obsolete. Use CSS instead.
The “align” attribute on the “table” element is obsolete. Use CSS instead.
The “border” attribute on the “table” element is obsolete. Use CSS instead.
Attribute “height” not allowed on element “table” at this point.
Attribute “background” not allowed on element “td” at this point.
The “width” attribute on the “td” element is obsolete. Use CSS instead.
The “valign” attribute on the “td” element is obsolete. Use CSS instead.
The “height” attribute on the “td” element is obsolete.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The “bgcolor” attribute on the “td” element is obsolete. Use CSS instead.
The “align” attribute on the “div” element is obsolete. Use CSS instead.
The “align” attribute on the “td” element is obsolete. Use CSS instead.
The “bgcolor” attribute on the “tr” element is obsolete. Use CSS instead.
Start tag for “table” seen but the previous “table” is still open.
Attribute “width” not allowed on element “div” at this point.
Stray end tag “span”.
CSS: “display”: “show” is not a “display” value.
Attribute “bordercolor” not allowed on element “table” at this point.
Attribute “background” not allowed on element “th” at this point.
The “nowrap” attribute on the “th” element is obsolete. Use CSS instead.
The “align” attribute on the “th” element is obsolete. Use CSS instead.
The “width” attribute on the “th” element is obsolete. Use CSS instead.
The “bgcolor” attribute on the “th” element is obsolete. Use CSS instead.
The “height” attribute on the “th” element is obsolete. Use CSS instead.
The “nowrap” attribute on the “td” element is obsolete. Use CSS instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.
Table cell spans past the end of its row group established by a “tbody” element; clipped to the end of the row group.
Table columns in range 2…3 established by element “td” have no cells beginning in them.
Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The “type” attribute for the “style” element is not needed and should be omitted.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
A table row was 1 columns wide, which is less than the column count established by the first row (3).
Consider adding a “lang” attribute to the “html” start tag to declare the language of this document.
Poland PL