Sezzle usage & market intelligence
OngoingAI has observed Sezzle on 811 ecommerce stores across 5 platforms.
Among 67,237 stores continuously observed over the last 30 days, Sezzle penetration moved 0% → 0.3%.
Compare Sezzle alternativesLast checked Sep 16, 2026
| Store | Traffic rank | Cohort |
|---|---|---|
| #27,636 | Top 50K | |
| #52,205 | Top 100K | |
| #84,652 | Top 100K | |
| #110,541 | Top 250K | |
| #119,472 | Top 250K | |
| #120,811 | Top 250K | |
| #123,611 | Top 250K | |
| #125,553 | Top 250K | |
| #127,636 | Top 250K | |
| #127,731 | Top 250K |
Showing 10 of 811 stores we track running Sezzle.
Get the full list
Klaviyo335 stores
Shopify Inbox195 stores
Instafeed (Mintt Studio)153 stores
Judge.me131 stores
Mailchimp128 stores
BigCommerce115 stores
Smile.io113 stores
Hextom105 stores
Frequently asked questions
We currently observe Sezzle running on 811 ecommerce stores, most of them on Shopify.
Yes — across the stores we observe, 14 more confirmed installs than removals over the past 90 days.
High-ranked stores where we've observed Sezzle include lacrossetechnology.com, ricardocuisine.com, impactguns.com, aelfriceden.com, pvk.com. We track 811 stores running it in total.
Stores running Sezzle most often also run Klaviyo, Shopify Inbox, Instafeed (Mintt Studio).
Common alternatives to Sezzle include Klarna, Afterpay, Affirm.
Sezzle's observed install base spans Shopify (83%), BigCommerce (14%), WooCommerce (2%).