Qdaily.com W3C HTML Markup Validation
HTML markup errors and warnings
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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”.
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 “action” on element “form”: Must be non-empty.
Attribute “autocorrect” not allowed on element “input” at this point.
Bad value “” for attribute “src” on element “img”: Must be non-empty.
Duplicate ID “weixin”.
Bad value “” for attribute “name” on element “input”: Must not be empty.
Element “img” is missing required attribute “src”.
Stray end tag “a”.
Duplicate attribute “class”.
Bad value “_blank1” for attribute “target” on element “a”: Reserved keyword “blank1” used.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “type” attribute is unnecessary for JavaScript resources.
The first occurrence of ID “weixin” was here.
Consider adding a “lang” attribute to the “html” start tag to declare the language of this document.
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