SEO blog The April 2026 SEO Update by Yoast recap Each month, we host an SEO update covering the latest in search and AI. During this month’s edition, our SEO experts Carolyn Shelby and Alex Moss , cover everything from the latest advances in Agentic AI to Google’s spam and core updates and why simply publishing more content is no longer enough and in many cases actively works against you. Read this recap for the highlights or watch the April 2026 SEO Update by Yoast to delve into the latest news. Watch the full recap on YouTube to dive deeper into these topics, hear some examples and hear the answer to audience questions. SEO and AI news from April 2026 Google introduces new AI agent signals and infrastructure Google added a new Google-agent user agent , signaling more explicit support for AI-driven crawling and interaction. At the same time, proposals like WebMCP aim to standardize how AI agents interact with websites, while Google leadership suggests search is evolving into an AI agent manager .…