Remove Ad Frequency Remove Document Remove PageRank Remove Validation
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A Breakdown of HTML Usage Across ~8 Million Pages (& What It Means for Modern SEO)

Moz

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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Natural vs. Unnatural Links: What’s the Difference? How to Build a Natural Backlink Profile

seo.co

Optimizing a keyword phrase by embedding a hyperlink in it used to be a valid means of improving your rank for that specific keyword. What does Google mean when they say, “any links intended to manipulate PageRank”? The quantity and quality of inbound links have always been a crucial part of how Google’s algorithm determines PageRank.