The shift from chatbot to agent is the shift from "tell me" to "do it." An agent given a goal will fan out across sources, call tools, and chain several steps together, which is why "agentic AI" is the phrase of the moment and why a deep-research run can read dozens of pages before writing a word. Google's Gemini Spark, announced at I/O 2026, is one example: an agent built to take connected actions across your apps.
For publishers, agents raise the bar on how machine-usable your site is. An agent comparing products or booking a service needs clean structure, readable content, and reachable pages, the same foundations behind being cited in AI answers. A site that is hard for a person to navigate is harder still for an agent, which is the case for building an agent-ready website.