Spectank.jp W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Legacy encoding “shift_jis” used. Documents must use UTF-8.
Start tag seen without seeing a doctype first. Expected “<!DOCTYPE html>”.
Bad value “text/html; charset=Shift_JIS” for attribute “content” on element “meta”: “charset=” must be followed by “utf-8”.
Bad value “handheld” for attribute “media” on element “link”: Deprecated media type “handheld”. For guidance, see the Media Types section in the current Media Queries specification.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “mailto:?subject=Spec Tank URL&body=Spec Tank%0A https://spectank.jp/index.html” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
The “align” attribute on the “img” element is obsolete. Use CSS instead.
The “hspace” attribute on the “img” element is obsolete. Use CSS instead.
The “vspace” attribute on the “img” element is obsolete. Use CSS instead.
Warnings:
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
This document appears to be written in Japanese. Consider adding “lang="ja"” (or variant) to the “html” start tag.
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