Cloudflare Zaraz vs Nostra
Head-to-head usage across the sites we track.
Top sites by authority
Cloudflare Zaraz · Nostra · 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
0
Open Page Rank 5+
688
1
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 · Nostra · share of sites in each country using one or the other
United States
5,819
12
India
3,208
10
Brazil
2,676
5
United Kingdom
2,628
11
Germany
2,202
8
Canada
2,069
14
France
1,985
8
Indonesia
1,852
2
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Cloudflare Zaraz | Nostra |
|---|---|---|
| LCP | 2.1 s | 3.5 s |
| INP | 75 ms | 175 ms |
| CLS | 0 | 0 |
| TTFB | 1000 ms | 1400 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.