Beginner Start here. No prior knowledge assumed.
Lesson 1
What Changed in Search
Why a growing share of queries are answered rather than listed, and what that means for organic strategy.
Lesson 2
AI Overviews Explained
How Overviews select and cite sources, which queries trigger them, and the honest click-through picture.
Lesson 3
Zero-Click Search
Which query types lose clicks, which do not, and how to shift the content mix accordingly.
Lesson 4
Search Intent Fundamentals
Why intent classification matters more than ever when the answer surface varies by intent.
Lesson 5
SERP Features
Snippets, knowledge panels and the other surfaces that answer without a click.
Test your understanding ▼ What is the unit of retrieval for an AI Overview?
The whole page The individual passage — a page ranking eighth can supply a cited passage The domain The title tag
Which query type is most exposed to zero-click?
Purchase queries Simple factual queries a widget or summary can fully answer Comparison queries Queries needing a tool
Advanced Depth, edge cases and strategy.
Lesson 1
Visibility in AI Assistants
Retrieval versus parametric visibility in ChatGPT, Perplexity and Copilot, and how to test yours.
Lesson 2
llms.txt and AI Crawler Access
Training versus retrieval crawlers, robots.txt control, and the allow-or-block decision.
Lesson 3
How RAG Works
Understanding the retrieval systems your content is being fed into.
Lesson 4
Embeddings and Retrieval
Why semantic similarity, not keyword matching, decides what gets retrieved.
Lesson 5
Measuring in a Zero-Click World
Impressions as a visibility metric, branded search lift, and segmenting by intent.
Test your understanding ▼ What is the difference between retrieval and parametric visibility?
Nothing Retrieval reads live search results; parametric depends on training data and cannot be changed quickly One is paid One is mobile only
What does blocking retrieval crawlers do?
Protects your content from training Removes you from AI answers that would otherwise have cited and linked you Improves rankings Nothing measurable