Missing Body Tag

Viewport Maximum-Scale Restriction

Best practices guide for Viewport Maximum-Scale Restriction (HT-008). Priority: Medium. Live check available.
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List Items Must Be Contained in UL or OL

Best practices guide for List Items Must Be Contained in UL or OL (HT-018). Priority: Medium.…
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Viewport Fixed Pixel Width

Best practices guide for Viewport Fixed Pixel Width (HT-012). Priority: Medium. Live check available.
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Remove Marquee Elements

Best practices guide for Remove Marquee Elements (HT-024). Priority: High. Live check available.
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Noscript Image in Head

Best practices guide for Noscript Image in Head (HT-003). Priority: Medium. Live check available.
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HTML Element Must Have a Lang Attribute

Best practices guide for HTML Element Must Have a Lang Attribute (HT-017). Priority: High. Live check…
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