Search Engine Marketing

10 Hard Truths About PPC: Insights From Last Year’s Best Debates For 2026 via @sejournal, @siliconvallaeys

PPC experts share hard-earned lessons on automation limits, Performance Max misuse, post-click differentiation, and why judgment now matters more than levers. The post 10 Hard Truths About PPC: Insights From Last Year’s Best Debates For 2026 appeared first on Search Engine Journal.

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Not all MMM tools are equal: Meridian, Robyn, Orbit, and Prophet explained

Marketing mix modeling (MMM) has shifted from an enterprise luxury to an essential measurement tool.  Tech giants like Google, Meta, and Uber have released powerful open-source MMM frameworks that anyone can use for free.  The challenge is understanding which tool actually solves your problem and which require a PhD in statistics to implement. Open-source MMM

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Google launches Universal Commerce Protocol for agent-led shopping

Google today unveiled the Universal Commerce Protocol (UCP), an open standard that lets AI agents work across the entire shopping journey, from discovery to purchase to post-sale support. Additionally, Google is introducing new AI tools for retailers, including branded shopping agents and ad formats optimized for AI-driven discovery. About UCP. UCP establishes a shared language

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Google launches A/B testing for Performance Max assets (Beta)

Advertisers can now compare two sets of assets while keeping “common assets” consistent across both versions. Tests can be set up from the Experiments page under the Assets sub-menu, allowing marketers to see which creative combinations perform best. Google previously launched a similar experiment type for retail campaigns last year, and this expands the capability

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