Concept漏斗阶段 / 搜索意图分层 / Top of Funnel
TOFU/MOFU/BOFU
A framework used in marketing and search optimization to understand the layering of user search intent. It divides the user journey into three stages—awareness (TOFU), evaluation (MOFU) and decision (BOFU)—and is used to guide the organization of content pages and optimization strategies.