search-engines
3 free lessons tagged search-engines across Business. Each one is a short sequence of focused steps with narration and a five-question quiz at the end — take them in any order, no signup required.
When the answer replaces the link
Search is shifting from a list of links to a written answer, and a large and rising share of searches now end without a click. Learn what changes when an AI writes the answer, why 'being cited is the new ranking', how generative engine optimization differs from classic SEO, and which parts of search are genuinely new versus the same old mechanics with a new surface.
Why one page beats another
Thousands of pages match your query; the engine picks ten and orders them. Learn the four questions ranking answers, why links became a proxy for trust, what PageRank actually measured, how the query itself is interpreted before anything is scored, and why chasing individual ranking factors is the wrong mental model.
How the web gets found and filed
Before a search engine can rank a page it has to discover it, fetch it, understand it, and store it, and most of the web never makes it through. Learn how crawlers find pages, why a crawl budget means not everything gets visited, what indexing actually stores, why JavaScript makes a page harder to read, and the difference between crawled, indexed, and ranked.

