Lanteksms.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “us” for attribute “lang” on element “html”: The language subtag “us” is not a valid ISO language part of a language tag.
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “” for attribute “for” on element “label”: An ID must not be the empty string.
End tag “br”.
Bad value “mailto:
info.usa@lanteksms.com ” for attribute “href” on element “a”: Illegal character in scheme data: line break is not allowed.
Bad value “” for attribute “action” on element “form”: Must be non-empty.
Duplicate ID “email”.
The “for” attribute of the “label” element must refer to a non-hidden form control.
Warnings:
The first occurrence of ID “email” was here.
This document appears to be written in English but the “html” start tag has “lang="us"”. Consider using “lang="en"” (or variant) instead.
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