Semantic Search vs. Keyword Search: A Full Comparison
Semantic search matches meaning with vectors, keyword search matches wording. See how each works, where each fails, and why hybrid search is the default.
Sep 18, 2026
Semantic search matches meaning with vectors, keyword search matches wording. See how each works, where each fails, and why hybrid search is the default.
Most 'not significant' A/B results are design flaws, not weak creative. 2026 data: low-power tests replicate at only ~28.4%; ~74.2% show no difference.
Public and private domains are halves of one funnel: 150-300 yuan per acquired user vs 20-50 yuan per repeat touch. The chain breaks at four interfaces.
Backlinks still matter in the AI era, but as a trust foundation: Ahrefs data shows backlink volume correlates at 0.218 vs 0.664 for unlinked brand mentions.
Google retired FAQ rich results on 2026-5-7, but FAQPage is still parsed with no penalty. This guide lists which types still work and your priority next steps.
WeCom