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Why July 7 was the biggest shopping day of the summer for Klaviyo customers

Profile photo of author Jamie Domenici
Jamie Domenici
3 min read
Klaviyo news
July 18, 2025
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How brands won pre-Prime demand

Generated by Klaviyo AI

The article explains how DTC brands turned the days leading up to Prime Day—especially July 7—into their strongest summer revenue moments. It highlights shifting consumer behavior, the rise of a pre-Prime shopping window, and the outsized role of SMS in driving both sales and new customer acquisition.

  • Pre-Prime demand shift: July 7, the day before Prime Day began, became the highest revenue day of the summer for many DTC brands selling through their own ecommerce stores.
  • Extended shopping window: Earlier and louder Prime Day promotion turned the July 4th period into a launchpad for campaigns, with June 30, July 1, and July 7 ranking among the top five ecommerce revenue days of the summer.
  • Promotion-driven AOV drop: Average order value declined during July 4th week, indicating brands used targeted promotions to convert shoppers and pull demand forward before Prime Day itself.
  • SMS performance boost: Klaviyo customers saw SMS revenue rise 21% during July 4th week and 15% during Prime Day, with 1 in 3 SMS orders coming from new customers.
  • Strategic timing lesson: The data suggests brands that plan ahead and activate early across channels, especially SMS, can capture attention and build momentum before major retail events.

Prime Day isn’t just Amazon’s moment anymore–it’s become a signal to consumers that it’s time to shop. This year, with deals and buzz building across the week, savvy DTC marketers saw an opportunity to pull demand forward to meet shoppers in the moments before the noise hit.

For many online DTC brands, July 7, the day before Prime Day officially began, was the highest revenue day of the summer so far for sales made directly through their ecommerce stores.

That wasn’t luck. It was strategy. Marketers knew consumers would be primed (excuse the pun) to spend that week, so they launched early offers, ramped up campaigns, and leaned into channels like email and SMS to capture intent—before inboxes were flooded.

The rise of the pre-Prime window

The July 4th weekend has always been a major spending moment, but this year, with Amazon promoting Prime Day earlier and louder than ever, the summer shopping calendar started shifting

The run up to the July 4th weekend acted as the springboard for DTC brands to kick off their own campaigns. Klaviyo also saw average order value (AOV) drop during the July 4th week -a sign that brands leaned into targeted promotions to convert shoppers, capture early demand and drive sales.

The strategy paid off, as 3 of the top 5 ecommerce revenue days this summer were June 30, July 1, and July 7. On their own ecommerce sites, brands saw a slightly higher revenue during the July 4th week than they did during Prime Day (or week) itself.

The SMS secret to winning the pre-Prime moment

Interestingly, it was SMS that gave brands a powerful edge. Shoppers were watching their phones for deals and ready to act, and brands that leaned into this channel captured that demand directly.

Klaviyo customers saw SMS revenue spike 21% during July 4th week and another 15% during Prime Day, driving an 18% lift over the prior week.

Notably, 1 in 3 SMS orders came from new customers, showing that early outreach didn’t just drive conversion–it fueled acquisition too.

In a high-stakes window where timing and relevance matter more than ever, SMS helped brands show up first and win.

What this means for marketers

This summer’s data tells a clear story: the power is shifting toward brands that plan ahead, act early, and meet shoppers in the moment before the moment arrives.

Prime Day is no longer a two-day sprint. It’s a multi-week opportunity—and the real battleground is the lead-up. Brands that pulled demand forward didn’t just benefit from early revenue—they captured attention, converted new customers, and built momentum that lasted through Prime Day.

The lesson? You don’t have to wait for a tentpole to win it. With the right timing and tools, marketers can create momentum before the moment arrives—and turn it into long-term growth.

Methodology: This analysis is based on aggregated data from a sample of 10,000 ecommerce brands and retailers in the US.

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Jamie Domenici
Jamie Domenici
Jamie Domenici is a marketer’s marketer, known for helping brands scale customer relationships through data-driven marketing. She joined Klaviyo as CMO in August 2023 and leads the company’s global marketing organization. Jamie regularly advises CMOs at brands like Good American, Cuyana, Mattel, and Tower28 on using centralized consumer data to drive loyalty—especially with leaner teams and tighter budgets. Prior to Klaviyo, she was CMO at GoTo (formerly LogMeIn) and spent over a decade in marketing leadership at Salesforce. She lives in the San Francisco Bay Area with her family.

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