Platform Optimization
Marketer — cross-engine tactics for ChatGPT, Perplexity, AIO, China majors.
- For
- SEO leads, growth marketers, GEO consultants.
- You should already know
- GEO 101 Steps 1–4.
- After this path
- You can choose which platforms to invest in and tell platform-specific work from cross-platform work.
- Mapping the engines: what varies, what doesn't
Every generative engine runs the same 4-step answer loop, but they each vary at retrieval, grounding, and which crawler actually controls visibility. Locking in what varies (and what doesn't) is what makes per-engine tactics legible.
- ChatGPT Search
ChatGPT Search is retrieval-augmented chat: the model browses only when it decides to, so citations are sparser than Perplexity's. The load-bearing GEO fact is the bot — OAI-SearchBot controls Search visibility, not GPTBot.
- Perplexity
Perplexity is answer-engine-native — it retrieves the live web by default and ships every answer with numbered inline citations. The most citation-dense mainstream engine, and the one most GEO research and field tests use as baseline.
- Google AI Overviews & Gemini
AIO and Gemini share Google's index but the GEO fact is inverted: there is no AIO crawler — Googlebot controls eligibility, and Google-Extended doesn't apply. For Gemini the inverse holds — Google-Extended is the actual control.
- Claude & Bing Copilot
Smaller volume than the big three, but the audience fit decides whether they're worth investing in. Claude shows up in B2B and developer workflows; Bing Copilot rides the Microsoft enterprise stack and Edge integrations.
- China majors
If your audience is in China, the western majors are mostly irrelevant. Baidu, Doubao, Kimi, and DeepSeek run on a separate ecosystem — different retrieval, different incentives, different content norms — and need their own GEO posture, not a translation of the western one.
- Cross-engine playbook synthesis
One audit, multiple engines. Most of the work is shared across platforms; the differences are smaller than vendor positioning suggests. The maturity model tells you which work belongs to which stage of your GEO program.