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
35,506
183
India
23,560
140
United Kingdom
17,454
171
Saudi Arabia
17,113
34
Brazil
15,129
57
Germany
14,506
328
France
14,025
240
Indonesia
14,015
64
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 | 75 ms | 125 ms |
| CLS | 0 | 0 |
| TTFB | 1000 ms | 900 ms |
Median site's p75 values from the Chrome UX Report, Jun 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 |