Blitz vs Cloudflare Rocket Loader
Head-to-head usage across the sites we track.
Top sites by authority
Blitz · Cloudflare Rocket Loader · 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
Blitz · Cloudflare Rocket Loader · share of sites in each country using one or the other
United States
1,086
30,747
India
436
20,411
United Kingdom
698
15,016
Saudi Arabia
83
14,825
Brazil
170
13,494
Germany
462
12,434
Canada
376
11,691
Indonesia
158
11,700
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Blitz | Cloudflare Rocket Loader |
|---|---|---|
| LCP | 1.5 s | 2.2 s |
| INP | 75 ms | 100 ms |
| CLS | 0 | 0 |
| TTFB | 600 ms | 1000 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 Blitz
| Domain | When |
|---|---|
| decrolux.com.au | Aug 2026 |
| nisekocentral.com | Nov 2025 |