More people now put a question to ChatGPT, Google's AI Overviews or Perplexity and act on the summary without opening a single website. If those tools cannot read your site, work out what you do, or find any reason to trust it, your business is simply absent from that answer.
Generative engine optimisation is the work of making sure you are in it. Answering real questions directly rather than burying the answer twelve paragraphs down, using the words your customers use instead of industry shorthand, publishing under a named author with something behind the claims, and keeping your structured data honest and current.
None of it replaces SEO. It sits on top, and it still depends on the same foundation: a fast, accessible, well structured site. These guides cover what has genuinely changed, what has not, and what is worth doing about it now rather than in two years.