Blog
Notes on what works in SEO
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Ahrefs DR4 Halves the Rating of 500 Expired Domains
We ran 501 expired domains through Ahrefs DR3 and DR4. Combined rating fell 49 percent, the median dropped from 26 to 5, and 132…
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Ahrefs DR4 Study: 107 Small Sites Lost 35% of Their DR
We measured 107 small and mid-size websites under Ahrefs DR3 and DR4. Combined rating fell 35%, and the highest-rated sites were among the hardest…
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How Google Crawls and Indexes Your Pages
Google indexing explained: how Google finds and renders your pages, why some are crawled but never indexed, and what actually fixes indexing problems.
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Grey Hat SEO: Where the Line Really Sits
What grey hat SEO is, which common tactics fall into it, and the tests that tell you when a grey tactic has crossed into…
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Zero-Click Searches: What the Traffic Data Shows
68% of US Google searches end without a click. What zero click searches data measures, which queries lose clicks, and what it means for…
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Internal Links From Your Strongest Pages
How internal linking moves rankings: finding your strongest pages, linking from them to the pages that matter, choosing anchors, and fixing orphan pages.
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Scaled AI Content and the “Mount AI” Pattern
Why sites that scale AI content often rise and then collapse, what Google’s scaled content abuse policy covers, and how to use AI without…
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What Backlinks Actually Do (and Why DR Is Not a Ranking Factor)
What are backlinks, how does Google use them, and which links count? Plus why Domain Rating measures your links without being a ranking factor.
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Expired Domains: Rebuild or 301?
Expired domains SEO: rebuild the domain or 301 it to your site? How each works, what Google’s expired domain abuse policy targets, and when…
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What the March 2026 Core Update Changed
The March 2026 core update ran from March 27 to April 8, two days after a record-fast spam update. What it changed, who lost,…
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Refreshing Old Content Without Faking Dates
A content refresh done right: which old pages to pick, what a real update involves, when to change the date, and what to avoid…
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Expired Domain Abuse: What Gets a Site Hit
What Google’s expired domain abuse policy targets, the examples it gives, the warning signs that turn an expired domain project into a violation, and…