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LLM optimisation — how to be cited by ChatGPT, Perplexity, Claude (2026)

Customers increasingly ask AI before they ask Google. If your business doesn't get cited in Perplexity / ChatGPT / Claude answers, you're invisible to a fast-growing channel. Here's how to fix it.

TL;DR — the 6 LLM-O fundamentals

  • Crawlable content: AI bots (GPTBot, PerplexityBot, ClaudeBot, Google-Extended) need access. Don't block them.
  • Structured answers: TL;DR, clear H2/H3, bulleted lists. AI extracts these directly.
  • Authority signals: schema.org, author bylines, citations, dates. AI weighs trustworthy sources.
  • Specific data + numbers: AI prefers concrete (₹2L, 6 weeks, 78%) over vague.
  • Be the source of facts: original research, real prices, real timelines. AI cites originators.
  • Mentioned by other authorities: AI weighs sites mentioned/linked-to by trusted sources.

Why LLM optimisation matters in 2026

Perplexity now does ~500M searches/month globally. ChatGPT search hit GA late 2024. Google's AI Overviews appears in ~30% of US searches. Indian usage is climbing fast.

When AI cites a business in its answer, the user often doesn't click through to the source. So citation is the new ranking. Your business needs to BE the answer, not just rank for it.

The 6 fundamentals in detail

1. Don't block AI crawlers

Check your robots.txt. Allow:

Many sites blocked these in 2023 panic. Unblock now or you're invisible to AI search.

2. Structure for extraction

AI parses your content looking for clear answers. Patterns that get extracted:

Wall-of-text doesn't get cited. Structured content does.

3. Authority signals

4. Specific data & numbers

AI prefers concrete answers. "MVP costs around ₹4 lakh in India" gets cited. "MVPs vary widely in cost" doesn't.

Add numbers wherever credible: prices, timelines, percentages, version numbers, counts.

5. Be the source of facts

Original research, original price ranges, original case studies — AI cites originators. Republishing other people's content? You're a downstream source; lower citation rank.

6. Mentions on authority sites

AI weighs not just your content but who else mentions you. Get into:

Quick wins (do this week)

  1. Audit robots.txt — unblock AI bots
  2. Add TL;DR block at the top of your top 10 pages
  3. Add author bylines with credentials
  4. Add Article + Organization schema (use Schema.org generators)
  5. Convert wall-of-text sections to bullets/tables
  6. Audit your content for vague claims; add numbers
What we offer

LLM-O retainer: ₹15-50K/month. We audit + restructure your content, add schema, build authority signal pipeline, monitor citations in major AI search engines. Long-tail SEO play that's still under-competed in India in 2026. Estimate cost →

FAQ

Do AI engines respect robots.txt?

Mostly yes — OpenAI, Anthropic, Perplexity all do. Some scrapers don't. Best practice: control via robots.txt + use Cloudflare AI bot management for finer control.

How do I track if I'm being cited?

Manually: query ChatGPT/Perplexity for relevant queries in your space, see if you're cited. Tools like Profound, AthenaHQ launched in 2024-25 to track LLM citations. Still early-stage.

Last reviewed: 5 April 2026.

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Sources & references

Pricing in this guide is verified as of the article date. Verify with vendors before committing budget — rates change quarterly.

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