Cloudflare Rocket Loader vs Speed Kit
Head-to-head usage across the sites we track.
Top sites by authority
Cloudflare Rocket Loader · Speed Kit · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Cloudflare Rocket Loader · Speed Kit · share of sites in each country using one or the other
United States
29,959
184
India
19,958
133
Saudi Arabia
15,432
35
United Kingdom
14,634
154
Brazil
13,122
62
Germany
11,955
316
Canada
11,512
96
Indonesia
11,371
63
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Cloudflare Rocket Loader | Speed Kit |
|---|---|---|
| LCP | 2.1 s | 1.9 s |
| INP | 100 ms | 150 ms |
| CLS | 0 | 0 |
| TTFB | 1000 ms | 900 ms |
Median site's p75 values from the Chrome UX Report, Sep 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.
Sites that switched
Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.
Cloudflare Rocket Loader to Speed Kit
| Domain | When |
|---|---|
| die-bewerbungsschreiber.de | May 2026 |