Start-point.net W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “100px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.
Bad value “100px” for attribute “height” on element “img”: Expected a digit but saw “p” instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Start tag “a” seen but an element of the same type was already open.
No space between attributes.
Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Attribute “)%7d)();"” not allowed on element “a” at this point.
Duplicate ID “tab3”.
Bad value “70px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.
Bad value “70px” for attribute “height” on element “img”: Expected a digit but saw “p” instead.
Bad value “30px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.
Bad value “30px” for attribute “height” on element “img”: Expected a digit but saw “p” instead.
Warnings:
Attribute “)%7d)();"” is not serializable as XML 1.0.
The first occurrence of ID “tab3” was here.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
This document appears to be written in Japanese but the “html” start tag has “lang="en"”. Consider using “lang="ja"” (or variant) instead.
Japan JP