Nyle Inc., operator of “Nyle’s SEO Consultation Room,” has released “LLMO Textbook,” an explainer video on YouTube that teaches the basics of AI search optimization, also known as LLMO. With the spread of generative AI services such as ChatGPT and Gemini, user search behavior is changing significantly. “Zero-click searches,” where users complete their search journey simply by reading “AI Overviews” displayed at the top of search results, are increasing, and the click-through rate of the top-ranked search result page has declined by about 2.5 percentage points over one year. As a result, it is becoming harder to acquire site traffic through conventional SEO measures alone. In response to these changes, more SEO and web managers are saying that they have heard the term LLMO but do not know what they should actually do. This video addresses those questions, featuring Takeyoshi Hosoyama, Nyle’s LLMO promotion project leader, who explains LLMO from the basics through practical implementation. Viewers can gain a more systematic understanding by watching the video together with Nyle’s previously published “LLMO Textbook” materials. The main contents of the YouTube video include changes in search behavior caused by AI, what LLMO is, the three target states to aim for with LLMO, LLMO measurement and KPIs, and a summary. Two especially important points are introduced in the video. First, companies should work on SEO and LLMO in parallel. Since generative AI often gathers information through search engines, a stronger SEO foundation tends to make LLMO more effective. Second, companies should understand the target states they should aim for with LLMO. Nyle recommends aiming for three states: being recommended by AI, providing the information users need after AI search, and having a site that AI can easily recognize. Organizing the current state of one’s company around these three states is the first step in working on LLMO. The video also explains approaches and concrete measur