SEO vs GEO: what carries over and what changes

Every platform shift breeds two bad takes: "nothing changes" and "everything you know is obsolete". The arrival of AI assistants as a discovery channel is no different. The truth is more useful than either: most of your SEO work transfers, a specific new layer does not, and a lot of what is being sold as GEO expertise is repackaged noise.

What carries over completely

• Crawlability. Both systems start by fetching your pages. Server-rendered HTML, working robots.txt, a real sitemap.
• Structure. One H1, sane heading hierarchy, descriptive titles. Assistants parse structure just like crawlers always have.
• Substance. Thin content fails everywhere. Pages that answer real questions win everywhere.

What is genuinely new

• A second set of gatekeepers. GPTBot, ClaudeBot, and PerplexityBot need explicit access, and security tools block them by default.
• New machine-readable surfaces. llms.txt did not exist two years ago; typed JSON-LD matters more when an assistant is assembling facts.
• Quotability as a metric. Ranking rewarded relevance; assistants reward liftable, factual statements. Answer-shaped writing is the skill to add.
• Being the answer, not a result. There is no position two in a spoken answer. The visibility curve is steeper.

What to ignore

Anyone selling guaranteed placement in ChatGPT answers, secret prompt injection tricks, or "AI keyword densities". The systems change monthly; the durable strategy is the boring one above.

The practical takeaway

Treat it as two scores on one site. Keep the SEO fundamentals you already maintain, add the AI access and structure layer once, and shape your money pages as answers. That is exactly why our scan reports SEO and AI visibility side by side: the gap between the two numbers is your to-do list, and for most sites it closes in days, not months.

Quick answers

Is GEO replacing SEO?

No. AI assistants sit alongside classic search, and both start from the same foundation: crawlable pages, clear structure, real content. GEO extends SEO; it does not replace it.

What should I do differently for GEO?

Keep your SEO fundamentals, then add the AI layer: allow AI crawlers, serve llms.txt, add typed JSON-LD, and shape key pages as direct answers. Measure both scores, not just rankings.