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
1,199
35,506
India
468
23,560
United Kingdom
811
17,454
Saudi Arabia
83
17,113
Brazil
189
15,129
Germany
503
14,506
France
334
14,025
Indonesia
176
14,015
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 | 75 ms |
| CLS | 0 | 0 |
| TTFB | 600 ms | 1000 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.
Blitz to Cloudflare Rocket Loader
| Domain | When |
|---|---|
| prime-appointments.co.uk | Aug 2025 |
Cloudflare Rocket Loader to Blitz
| Domain | When |
|---|---|
| nisekocentral.com | Nov 2025 |