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
30,747
183
India
20,411
138
United Kingdom
15,016
156
Saudi Arabia
14,825
33
Brazil
13,494
60
Germany
12,434
310
Canada
11,691
94
Indonesia
11,700
65
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Cloudflare Rocket Loader | Speed Kit |
|---|---|---|
| LCP | 2.2 s | 1.9 s |
| INP | 100 ms | 150 ms |
| CLS | 0 | 0 |
| TTFB | 1000 ms | 800 ms |
Median site's p75 values from the Chrome UX Report, Aug 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 |