List of Crawlers and structure of robots.txt for better AI-Crawlers readability

How should your robots.txt should be structured:

Platform - Crawlers / Agents

1. ChatGPT - GPTBot, OAI-SearchBot, ChatGPT-User
2. Google AI -	Googlebot (various), Google-Extended, Gemini-Deep-Research
3. Gemini (Same as Google AI) -  (Googlebot, Google-Extended, Gemini-Deep-Research)
4. Claude -	ClaudeBot, Claude-User, Claude-SearchBot, Claude-Web
5. Grok -	GrokBot, xAI-Grok, Grok-DeepSearch
6. Perplexity -	PerplexityBot, Perplexity-User 

Layout of Robots.txt

Robots.txt

# ============================

# OpenAI / ChatGPT Crawlers

# ============================

User-agent: GPTBot

Allow: /

User-agent: OAI-SearchBot

Allow: /

User-agent: ChatGPT-User

Allow: /

# ============================

# Google / Gemini Crawlers

# ============================

User-agent: Googlebot

Allow: /

User-agent: Google-Extended

Allow: /

User-agent: Gemini-Deep-Research

Allow: /

# ============================

# Anthropic / Claude Crawlers

# ============================

User-agent: ClaudeBot

Allow: /

User-agent: Claude-User

Allow: /

User-agent: Claude-SearchBot

Allow: /

User-agent: Claude-Web

Allow: /

# ============================

# xAI / Grok Crawlers

# ============================

User-agent: GrokBot

Allow: /

User-agent: xAI-Grok

Allow: /

User-agent: Grok-DeepSearch

Allow: /

# ============================

# Perplexity Crawlers

# ============================

User-agent: PerplexityBot

Allow: /

User-agent: Perplexity-User

Allow: /

# ============================

# Sitemap (keep at the end)

# ============================

Sitemap: https://www.example.com/sitemap.xml

By implementing these strategies, you can optimize your website for AI crawlers, enhancing the likelihood of your content being cited and gaining greater visibility through mentions.