Modernica.net W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Bad value “https://www.facebook.com/tr?id=645308085607960&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.
Attribute “webkit-playsinline” not allowed on element “video” at this point.
Attribute “webkitallowfullscreen” not allowed on element “iframe” at this point.
Attribute “mozallowfullscreen” not allowed on element “iframe” at this point.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Duplicate attribute “class”.
Duplicate ID “login-trigger”.
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
The first occurrence of ID “login-trigger” was here.
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