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The SEVCO field guide.
Long-form notes on the disciplines we operate every day — written for the marketers and operators who actually have to ship.
What is GEO (Generative Engine Optimization)?
Generative engine optimization (GEO) is the practice of structuring content so AI engines like ChatGPT, Perplexity, and Gemini cite your brand. Definition, tactics, and how it relates to SEO.
Read · Apr 2026 GEOSEO vs GEO: How they differ and why you need both
SEO ranks pages in Google. GEO earns citations in ChatGPT, Perplexity, and Gemini. They share infrastructure but optimise for different outcomes. Here is how they compare.
Read · Apr 2026 SEOHow Google AI Overviews changed organic search
AI Overviews compress some informational queries into a synthesised answer. Here is what happened to organic CTR, which queries lost traffic, and how to respond strategically.
Read · Apr 2026 PaidFirst-party data is now the foundation of paid media
Paid media performance now depends on the quality of the conversion signal you send back. Here is what server-side tracking, conversion APIs, and identity stitching actually require.
Read · Mar 2026