Rudderstack vs Sirdata
Head-to-head usage across the sites we track.
Top sites by authority
Rudderstack · Sirdata · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
3
3
Open Page Rank 8+
71
22
Open Page Rank 7+
293
77
Open Page Rank 6+
492
154
Open Page Rank 5+
752
333
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Rudderstack · Sirdata · share of sites in each country using one or the other
United States
6,716
935
France
1,236
4,906
Canada
2,046
760
United Kingdom
2,067
699
India
2,139
293
Spain
1,125
1,010
Germany
1,131
784
Belgium
553
1,253
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Rudderstack | Sirdata |
|---|---|---|
| LCP | 1.9 s | 1.8 s |
| INP | 75 ms | 100 ms |
| CLS | 0 | 0 |
| TTFB | 1000 ms | 800 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.