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Topical authority is the new domain authority

Why Google rewards depth over breadth in 2026.

Nikhil Verma
Head of SEO · Nov 18, 2025 · 7 min read
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What changed in the algorithm

Google's helpful content updates over the past 24 months have made one thing crystal clear: surface-level coverage of a topic is no longer enough to rank. You either go deep on a topic cluster, or you don't show up.

Domain authority still matters, but it's a lagging indicator now. Topical authority — proven by 20+ in-depth pages on a single subject, interlinked properly — moves your rankings faster.

How to build a real topic cluster

Pick a pillar page (broad, evergreen, 3,000+ words). Identify 8–15 supporting pages (specific, 1,200–2,000 words each). Interlink all supporting pages back to the pillar with descriptive anchors. Update the cluster every 90 days.

Treat the cluster as a single asset. Track ranking changes for the whole group, not individual pages.

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Written by
Nikhil Verma
Head of SEO
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