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Key KPIs delivered by Taggstar

  • 1.6%

    conversion rate uplift in 2 weeks

  • 2.4%

    increase in RPV in app

  • 87%

    increase in AOV in email

The Challenge

Bloomingdale’s was looking for a tool to help boost website traffic conversion to drive sales and hoped that social proof messaging could help.

“We continuously try to maximize our customer purchase potential and gain the most out of the traffic landing on our site. Conversion is the main goal, and to help customers feel confident and excited to buy — by giving them the info they need to hit that ‘place order’ button”, said Martine Millien, Director Digital Initiatives.

The Solution

Bloomingdale’s was first introduced to Taggstar at a trade show around two years ago. Having seen the power of social proof at competitors and in other industries, Millien knew the technology had potential for the Bloomingdale’s brand. “It gives the customer that validation that increases their confidence and gives them that nudge to buy, and it’s pulling out pieces of information that they wouldn’t otherwise have.”

“It’s like having a little bit of that influencer magic because they get to see those messages, and they get to really feel like they’re in the know about how a product is trending,” she says.

“Our interest also came from seeing it in our digital landscape,” continues Millien. “It does look very compelling as you’re shopping through competitor websites, as well as when you see it across different types of industries. It made it seem like it was worth testing for us.”

The Solution

2 weeks to scale-up


After an initial onboarding process earlier in 2024, Bloomingdale’s and Taggstar ran their first proof of concept test in September. The full funnel test ran for 14 days across PLP, PDP and cart, with the results prompting an immediate rollout.

“It was very successful. It was one of the fastest tests that we’ve started and then have just gone ahead and fully scaled,” says Millien.

“It’s like having a little bit of that influencer magic because they get to see those messages, and they get to really feel like they’re in the know about how a product is trending.”

Martine Millien, Director Digital Initiatives

The Results

The results of the initial POC beat all expectations, delivering a 1.5% revenue per visit (RPV uplift) and a 1.6% conversion rate uplift. This far exceeded initial expectations. We’d seen the results from prior case studies, but you never really know how something’s going to come to fruition on your site. I was not expecting as strong of a lift that we achieved.”

Rolling out social proof messaging to app


The initial website success meant that Bloomingdale’s introduced social proof messaging to its IOS app in Spring 2025, once again quickly scaling to 100% in March after delivering a 2.4% RPV and conversion rate increase in under two weeks.

The Results

The power of social proof on email


Having seen the success on the website and app, Taggstar, Bloomingdale’s, and personalization partner Movable Ink then worked together to test social proof messaging within its emails via a custom integration with Movable Ink to the Taggstar Social Proofing API.

Bloomingdale’s had expected similar results to its Web POC and app tests, but the integration of social proof messaging into email was even more impressive. Aggregated across tests on a subset of category-specific emails that included beauty, ready-to wear and menswear, social proof messaging on email delivered a 121% boost to RPV, an 87% increase in average order value (AOV), a click through rate (CTR) uplift of 3% and an 8% rise in the conversion rate.

The Future

Innovation continues at pace at Bloomingdales, with a number of experiments underway and a full roadmap planned that includes the rollout of social proof messaging to additional marketing providers used by the famous department store.

“There’s so much opportunity and ways of diversifying our usage of Taggstar,” says Millien. “We’re looking forward to testing out some new use cases we’ve got lined up in the roadmap — the goal is to prove them out so they can become part of our long-term strategies.”

A strong partnership


Millien says she has been particularly impressed by the drive of the Taggstar team to maximize results. “We’ve been really pushing the needle and the whole team is super encouraged and very motivated to get things going and to progress this opportunity as much as possible.”
The same was true on the email project, says Millien. “Once we got our collective teams together and started having planning sessions, I felt really encouraged, because our Movable Ink team was just as excited as our Taggstar team to work together, along with our marketing partners who supported this initiative as well.”

The Future

A commitment to optimization


Most importantly, the company has committed to continual optimization and experimentation in the belief that social proof messaging will play a role in its future growth. “ We want to make sure we’re tapping into the full potential of social proof messaging; we see Taggstar as a major opportunity to help us grow over the next few years.

Marjorie Leonidas, CEO of Taggstar, says it’s this sort of enthusiastic approach that delivers success like that witnessed by Bloomingdale’s. “We love working with customers who appreciate and understand the value of true partnership, and Bloomingdale’s is the perfect example of how to get the most from the opportunity to test, learn and optimize. Their enthusiasm and willingness to embrace all that social proof messaging offers is proven in its staggering results and is a testament to their approach of constant innovation.”

Interested in unlocking the potential of Taggstar? Take the first step toward higher conversion rates!

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