Errors:
Element “mta” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Self-closing syntax (“/>”) used on a non-void HTML element. Ignoring the slash and treating as a start tag.
A “link” element must not appear as a descendant of a “body” element unless the “link” element has an “itemprop” attribute or has a “rel” attribute whose value contains “dns-prefetch”, “pingback”, “preconnect”, “prefetch”, “preload”, “prerender”, or “stylesheet”.
A “link” element with a “sizes” attribute must have a “rel” attribute that contains the value “icon” or the value “apple-touch-icon”.
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 “head”.
Start tag “body” seen but an element of the same type was already open.
Bad element name “fb:login-button”: Code point “U+003A” is not allowed
Duplicate ID “simpleheader”.
Duplicate ID “shop-by-tire-size”.
Duplicate ID “main-navbar-collapse”.
Duplicate ID “ZipCode”.
Duplicate ID “WidthInput”.
Duplicate ID “RatioInput”.
Duplicate ID “RimInput”.
Duplicate ID “simpletoolbar”.
Duplicate ID “charge-sales-tax”.
Duplicate ID “simplenav”.
Duplicate ID “highlight-box”.
Duplicate ID “”.
Stray end tag “div”.
The “itemtype” attribute must not be specified on elements that do not have an “itemscope” attribute specified.
Saw “"” when expecting an attribute name. Probable cause: “=” missing immediately before.
Duplicate ID “myModalLabel”.
Duplicate ID “zip-widget”.
End tag for “body” seen, but there were unclosed elements.
Unclosed element “mta”.
Stray start tag “div”.
End tag for “html” seen, but there were unclosed elements.
The “for” attribute of the “label” element must refer to a non-hidden form control.
The “aria-labelledby” attribute must point to an element in the same document.
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
Element name “fb:login-button” cannot be represented as XML 1.0.
The “navigation” role is unnecessary for element “nav”.
The first occurrence of ID “simpleheader” was here.
The first occurrence of ID “shop-by-tire-size” was here.
The first occurrence of ID “main-navbar-collapse” was here.
The first occurrence of ID “ZipCode” was here.
The first occurrence of ID “WidthInput” was here.
The first occurrence of ID “RatioInput” was here.
The first occurrence of ID “RimInput” was here.
The first occurrence of ID “simpletoolbar” was here.
The first occurrence of ID “charge-sales-tax” was here.
The first occurrence of ID “simplenav” was here.
The first occurrence of ID “highlight-box” was here.
Empty heading.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “” was here.
Attribute “"” is not serializable as XML 1.0.
The “form” role is unnecessary for element “form”.
The first occurrence of ID “myModalLabel” was here.
The first occurrence of ID “zip-widget” was here.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
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