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+
8
0
Open Page Rank 8+
62
0
Open Page Rank 7+
203
0
Open Page Rank 6+
404
0
Open Page Rank 5+
699
0
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
5,410
20
India
2,987
9
Brazil
2,506
7
United Kingdom
2,385
12
Germany
1,977
7
Canada
1,885
8
France
1,668
3
Indonesia
1,599
5
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Cloudflare Zaraz | Jumbo |
|---|---|---|
| LCP | 2 s | 1.8 s |
| INP | 75 ms | 100 ms |
| CLS | 0 | 0 |
| TTFB | 900 ms | 600 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.