A tech-stack signal: 500 Shopify stores checked for $0.48, and the 36 on Klaviyo with no review app
If you sell a Shopify app, run an e-commerce agency or sell anything that plugs into an online store, the best prospect list is defined by what a store already uses and what it doesn't. A store that pays for Klaviyo already spends on retention, so a review app or an SMS tool is an easy next conversation. A store still on Mailchimp is a migration project for a Klaviyo agency. A store with no email…
The analysis of 500 Shopify stores conducted on 14 October 2026 revealed patterns in their technology stack usage. For $0.48, the investigation examined 470 homepage pages of the chosen stores, identifying 268 (57%) of them utilizing email or SMS marketing tools. Klaviyo, a prominent email marketing platform, was found on 218 (46%) of the stores, followed by Mailchimp at 34, HubSpot at 11, and Brevo at 10.
Review apps were present on the homepage of 140 (30%) out of the 470 examined stores, with Yotpo leading the list at 70 and Trustpilot at 22. The detected email hosts included Google Workspace (196 domains) and Microsoft 365 (164), along with other filtering services. DMARC records were present on 111 domains, with 134 rejecting, 215 monitoring, and 24 publishing no record. The full dataset of 484 stores is available in stores.csv.
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