Appfolio.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Obsolete doctype. Expected “<!DOCTYPE html>”.
Stray start tag “html”.
Element “form” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “mobile_main”.
Duplicate ID “top_tryit”.
Bad value “ISO-8859-1” for attribute “charset” on element “script”: “iso-8859-1” is not a preferred encoding name. The preferred label for this encoding is “windows-1252”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
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The “frameborder” attribute on the “iframe” element is obsolete.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.
The “language” attribute on the “script” element is obsolete. Use the “type” attribute instead.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The first occurrence of ID “mobile_main” was here.
The first occurrence of ID “top_tryit” was here.
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