Xlntelecom.co.uk W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “cleartype” for attribute “http-equiv” on element “meta”.
Bad value “https://www.googletagmanager.com/ns.html?id=GTM-K8MQ6Q>” for attribute “src” on element “iframe”: Illegal character in query: “>” is not allowed.
Duplicate ID “time-answer-group”.
Duplicate ID “rules”.
Duplicate ID “timer_phone_group”.
Duplicate ID “sec”.
Duplicate ID “millisec”.
Bad value “_new” for attribute “target” on element “a”: Reserved keyword “new” used.
Element “img” is missing required attribute “src”.
Attribute “v” not allowed on element “a” at this point.
Warnings:
The first occurrence of ID “time-answer-group” was here.
The first occurrence of ID “rules” was here.
The first occurrence of ID “timer_phone_group” was here.
The first occurrence of ID “sec” was here.
The first occurrence of ID “millisec” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
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