Sanborns.com.mx W3C HTML Markup Validation
HTML markup errors and warnings
(Rescan now...)
Warnings:
Content-Security-Policy HTTP header: Bad content security policy: Source list contains duplicate source expression "https://staasobj-api.telmex.com". All but the first instance will be ignored.
Consider avoiding viewport values that prevent users from resizing documents.
The “type” attribute is unnecessary for JavaScript resources.
The first occurrence of ID “RelacionadoNav_404” was here.
Errors:
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Bad value “imagetoolbar” for attribute “http-equiv” on element “meta”.
Bad value “Pragma” for attribute “http-equiv” on element “meta”.
Bad value “Cache-Control” for attribute “http-equiv” on element “meta”.
Bad value “expires” for attribute “http-equiv” on element “meta”.
Element “meta” is missing one or more of the following attributes: “content”, “property”.
Duplicate ID “RelacionadoNav_404”.
Bad start tag in “img” in “head”.
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.
Cannot recover after last error. Any further errors will be ignored.
Mexico MX