HTML Is Missing or Empty

HTML Is Missing or Empty

Best practices guide for HTML Is Missing or Empty (ON-012). Priority: Critical. Live check available.
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Missing Head Tag

Best practices guide for Missing Head Tag (HT-005). Priority: Critical. Live check available.
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Missing Body Tag

Best practices guide for Missing Body Tag (HT-006). Priority: Critical. Live check available.
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aria-hidden Must Not Be Present on Document Body

Best practices guide for aria-hidden Must Not Be Present on Document Body (HT-020). Priority: Critical. Live…
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Canonical Points to 5XX Error URL

Best practices guide for Canonical Points to 5XX Error URL (IN-020). Priority: Critical. Batch check required.
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Canonical Points to 404 Not Found URL

Best practices guide for Canonical Points to 404 Not Found URL (IN-021). Priority: Critical. Batch check…
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