A Breakdown of HTML Usage Across ~8 Million Pages (& What It Means for Modern SEO)
Moz
OCTOBER 8, 2019
A valid, well-formatted HTML page also reduces possible misinterpretation — of structured data, metadata, language, or encoding — by search engines. It's also a must according to W3C, meaning no page is valid with a missing title tag. million index pages analyzed to use a valid meta name="viewport" in their head sections.
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