The 7 Fastest Insider Ecommerce Sites
(August 2026) - real-user mobile speed from Google CrUX, 28-day window
| Rank | Brand | CWV | LCP | INP | CLS |
|---|---|---|---|---|---|
| 1 | Maison Birks | PASS | 1.2s | 142ms | 0.01 |
| 2 | Seed Heritage | PASS | 1.5s | 171ms | 0.01 |
| 3 | La Prairie | FAIL | 2.6s | 182ms | 0.01 |
| 4 | Signature Hardware | FAIL | 2.6s | 155ms | 0.29 |
| 5 | Helzberg | FAIL | 2.7s | 205ms | 0.03 |
| 6 | Vitamin Shoppe | FAIL | 3.9s | 221ms | 0.40 |
| 7 | Versace USA | FAIL | 3.9s | 376ms | 0.12 |
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