US Store Speed Index
The same 100 US online stores, tested on a phone every week. One number to watch: are US stores getting faster or slower?
Median score, week by week
Google PageSpeed Insights, mobile, home pages. 2 weekly readings.
Every reading.
| Week | Stores tested | Median score | Main content | Blocking time | Within 2.5 s | Apps |
|---|---|---|---|---|---|---|
| Oct 1, 2026 | 94 | 35 | 11.7 s | 1309 ms | 0% | 21 |
| Sep 30, 2026 (baseline) | 100 | 34 | 11 s | 1333 ms | 0% | 23 |
Method. A fixed panel of 100 US direct-to-consumer online stores, every 3.7th store of the 367 in US Store Speed 2026, ordered by category so every category is represented in proportion. Home page, Google PageSpeed Insights mobile, run weekly from a US server. Stores that fail to load in a given week are left out of that week's medians. Apps and tags exclude hosting, CDNs, font services and the store platform itself. No store is named.
The full one-time study, with real-visitor data, platforms, categories and the apps behind the numbers: US Store Speed 2026. Each common app on its own: what each store app costs. Quote it with a link (CC BY 4.0); data as CSV.