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How to Tell If GEO Is Working?
GEO Q&A Hub

How to Tell If GEO Is Working?

Generative AI answer mechanisms are changing how brand effectiveness is evaluated. GEO is no longer suitable for judging results using only traditional rankings or single screenshots. Instead, it requires observing changes in brand visibility across diffe

Yiko Lam 2026-07-13
8
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Are AI Search Results Really Trustworthy?
GEO Q&A Hub

Are AI Search Results Really Trustworthy?

Generative AI search is transforming how people access information, shifting search results from fixed indexes to probabilistic generation based on corpora and web content. This means the same question can yield different answers across different AI platf

Yiko Lam 2026-07-06
13
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What to Do When AI Mentions Competitors but Not Us
GEO Q&A Hub

What to Do When AI Mentions Competitors but Not Us

When AI responses mention competitors but not your brand, it's usually not a simple ranking issue. It's the combined result of brand semantics, content coverage, external signals, and how well your brand matches the query context. Using GEO Audit reports,

Yiko Lam 2026-07-01
19
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Lab Core Researcher

Meet Our GEO Engineers

20 years deep in search optimization, witnessing three major shifts in core search engine algorithms

Rachel Dai

YouFind Digital

Senior SEO/GEO Engineer

20 Years of Search Optimization, From PageRank to GEO

With 20 years deep in search optimization, Rachel has lived through three major shifts in core search engine algorithms — from the PageRank era to the BERT era, and now the era of generative AI engines. She began her SEO career in 2005, working successively at [Former Company 1 — TBC] and [Former Company 2 — TBC], joined YouFind in 2020, and now focuses on dual-engine GEO + SEO delivery for cross-border e-commerce and B2B services.

She excels at translating complex algorithmic mechanics into executable optimization plans. Over the past 20 years she has run 500+ projects spanning Shopify cross-border e-commerce, SaaS tools, B2B services and more. The "Australian outdoor brand: 4x growth in 6 months" case study reviewed in this article was led entirely by her. Rachel is also a core researcher at the YouFind GEO Optimization Lab, continuously tracking how the six major AI engines change their citation mechanisms.

20+
Years in search optimization
3
Algorithm shifts witnessed
6
Major AI engines tracked
Shopify Cross-border E-commerce SaaS Tools B2B Services GEO Citation Optimization SEO Growth Reviews

Rachel's YouTube Tutorials

Systematic breakdowns of GEO and SEO tactics in the field — stay tuned

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