The CiteFuel Blog

Practical GEO engineering — no hype, methodology attached. New posts weekly.

What Is GEO? The 2026 Guide to Generative Engine Optimization

Everything that actually matters in GEO: how AI systems pick sources, the six signal categories, what to fix first, and what to ignore.

2026-06-11 · 9 min read

How to Add llms.txt to Your Site (Astro, Next.js, WordPress)

Step-by-step llms.txt implementation for the three most common stacks, with the exact file format, validation, and the mistakes that suppress citations.

2026-06-11 · 8 min read

Does Your Site Appear in ChatGPT? Here's How to Check

A practical test protocol for ChatGPT, Perplexity, and Google AI Overviews — plus what each failure pattern means and the configuration fix for it.

2026-06-11 · 8 min read

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