Usage & market intelligence
Observed on 271 ecommerce stores.
Across 492,834 tracked stores, observed usage rose from 189 to 201 stores over a 30-day comparison.
Last checked Oct 1, 2026
| Store | Traffic rank | Cohort |
|---|---|---|
| #25,362 | Top 50K | |
| #32,532 | Top 50K | |
| #36,336 | Top 50K | |
| #52,932 | Top 100K | |
| #53,416 | Top 100K | |
| #57,188 | Top 100K | |
| #58,705 | Top 100K | |
| #66,013 | Top 100K | |
| #67,773 | Top 100K | |
| #75,882 | Top 100K |
Showing 10 of 271 stores we track running Fast Simon.
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Frequently asked questions
We currently observe Fast Simon running on 271 ecommerce stores, most of them on Shopify.
Not currently — across the stores we observe, 9 more confirmed removals than installs over the past 90 days.
High-ranked stores where we've observed Fast Simon include reebok.com, stevemadden.com, toms.com, shopakira.com, dtlr.com. We track 271 stores running it in total.
Stores running Fast Simon most often also run Klaviyo, RS: AI Search Bar & Filter, Yotpo.
Common alternatives to Fast Simon include Algolia, Searchanise, Constructor.io, Klevu.
Fast Simon's observed install base spans Shopify (74%), BigCommerce (14%), WooCommerce (9%).