Cloudflare Zaraz vs Jumbo
Head-to-head usage across the sites we track.
Top sites by authority
Cloudflare Zaraz · Jumbo · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
6
0
Open Page Rank 8+
58
0
Open Page Rank 7+
199
0
Open Page Rank 6+
398
1
Open Page Rank 5+
688
2
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Cloudflare Zaraz · Jumbo · share of sites in each country using one or the other
United States
5,819
74
India
3,208
32
Brazil
2,676
9
United Kingdom
2,628
30
Germany
2,202
23
Canada
2,069
24
France
1,985
10
Indonesia
1,852
4
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Cloudflare Zaraz | Jumbo |
|---|---|---|
| LCP | 2.1 s | 1.6 s |
| INP | 75 ms | 100 ms |
| CLS | 0 | 0 |
| TTFB | 1000 ms | 500 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.