Ask ChatGPT whether a lead generation agency is worth the money, or ask Perplexity to compare two providers, and watch what the answer leans on. It isn't homepage promises — it's proof: reviews, comparisons, and case studies where a named business says what actually happened. If your best client results live only inside a video nobody transcribed, the engines answering your buyers' questions can't quote a word of it.
What this covers
- The data: proof content dominates evaluative queries
- Why named-customer proof pages punch above their weight
- Written case study vs video-only vs generic testimonials
- How we built ours: filmed interview to cited page
- Where case studies sit in a wider AEO strategy
- Frequently asked questions
This is a technical summary. The full guide — with the data, tables and worked examples — is on our site: *Why Written Case Studies Win AI Search Citations (B2B, 2026)*.
LeadsNow AI builds pay-per-result AI lead generation and answer-engine-optimisation systems in Australia.
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