
Why LLMO is Necessary Now? Differences with SEO and Coexistence Strategy [2025 Edition]
The era of optimizing only the "blue links" in search results is coming to an end. With AI technologies like ChatGPT and Perplexity returning "answers themselves," companies need to invest not only in SEO but also in LLMO (LLM Optimization) to ensure they are correctly understood and cited by AI engines. In this article, we will explain the differences between SEO, AEO, and LLMO, discuss coexistence strategies, budget allocation considerations, and present case studies from abroad that are successfully increasing sales and leads through AI search, while answering the question, "Why is LLMO necessary now?"


