Kutahya.bel.tr W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Start tag seen without seeing a doctype first. Expected “<!DOCTYPE html>”.
Stray doctype.
Stray start tag “html”.
Start tag “head” seen but an element of the same type was already open.
A “charset” attribute on a “meta” element found after the first 1024 bytes.
Attribute “src” not allowed on element “image” at this point.
Attribute “alt” not allowed on element “image” at this point.
End tag “svg” did not match the name of the current open element (“image”).
Duplicate attribute “name”.
The “center” element is obsolete. Use CSS instead.
No space between attributes.
Attribute “_” not allowed on element “a” at this point.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
A slash was not immediately followed by “>”.
Warnings:
Empty heading.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
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