Vangoghexpo.com W3C HTML Markup Validation
HTML markup errors and warnings
(Rescan now...)
Errors:
Bad value “en_EN” for attribute “lang” on element “html”: The language subtag “en_en” is not a valid language subtag.
Bad start tag in “img” in “head”.
Bad value “https://www.facebook.com/tr?id=1543543449260625&ev=PageView&noscript=1
https://www.facebook.com/tr?id=1543543449260625&ev=PageView&noscript=1
” for attribute “src” on element “img”: Tab, new line or carriage return found.
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”.
Stray end tag “head”.
Start tag “body” seen but an element of the same type was already open.
Heading cannot be a child of another heading.
Stray end tag “h1”.
Bad value “Feb 17, 2021 18:00:00 GMT+0100” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
No space between attributes.
Duplicate ID “info”.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Warnings:
The first occurrence of ID “info” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “type” attribute is unnecessary for JavaScript resources.
United States US