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HTMLHint
Place your html code here:
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<!DOCTYPE HTML> <html> <head> <meta charset="UTF-8"> <title>HTMLHint</title> </head> <body> <div>HTMLHint: help your html code better </body> </html>
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Standard
tagname-lowercase
attr-lowercase
attr-value-double-quotes
attr-value-not-empty
attr-no-duplication
doctype-first
tag-pair
tag-self-close
spec-char-escape
id-unique
src-not-empty
title-require
Performance
head-script-disabled
Accessibility
alt-require
Specification
doctype-html5
id-class-value
underline
dash
hump
style-disabled
inline-style-disabled
inline-script-disabled
space-tab-mixed-disabled
true
space
tab
id-class-ad-disabled
href-abs-or-rel
abs
rel
attr-unsafe-chars
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csslint
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