Rakuten Advertising, the leading global affiliate marketing network, and Similarweb, the leader in digital data and market intelligence, announced a strategic collaboration to deliver the affiliate industry’s most powerful and unique data capabilities that help brands better understand and optimize their presence within large language models (LLMs) and across digital marketing channels. As AI reshapes how consumers discover and engage with brands, this partnership is designed to help advertisers move beyond traditional metrics and better understand where and how decisions are increasingly being influenced.

As part of the agreement, Rakuten Advertising will integrate Similarweb’s proprietary, best-in-class data into its analytics and reporting environment, offering brand advertisers deeper visibility into how their content and performance surface in emerging AI-driven discovery channels. Built on real user behavioral data at scale for topics and responses, Similarweb’s insights provide a more comprehensive view of the digital ecosystem, enabling Rakuten Advertising clients to make more informed decisions, reach new customers, and build future-ready performance marketing strategies.

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“As AI-driven platforms redefine digital discovery, brands need a new way to measure and compete for visibility,” said Baruch Toledano, VP and General Manager Digital Marketing Solutions at Similarweb. “Similarweb is at the forefront of helping companies understand their presence in these environments, the synergies between performance channels, and together with Rakuten Advertising, we’re bringing that intelligence directly into the workflows that drive performance.”

The integration underscores Rakuten Advertising’s continued investment in innovation to provide a competitive advantage to its clients in a rapidly evolving digital marketing environment. By incorporating Similarweb’s proprietary data, the company is expanding its ability to help clients measure and improve visibility within generative AI platforms.

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“This collaboration unlocks a new level of transparency that gives brands that work with us an edge in a rapidly changing landscape for brand discovery and engagement,” said Nick Stamos, CEO of Rakuten Advertising. “With Similarweb’s data, our clients will have insights that aren’t available anywhere else, helping them better understand their level of visibility in AI-driven environments and turn it into performance.”

The new capabilities will be available initially to a select group of Rakuten Advertising clients, with additional reporting features to be introduced soon. Participating brands will be able to better understand how they are represented within LLMs, access differentiated insights, and tie them more directly to performance.