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+
6
3
Open Page Rank 8+
71
24
Open Page Rank 7+
289
81
Open Page Rank 6+
499
157
Open Page Rank 5+
761
332
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
6,206
844
France
1,016
4,223
Canada
1,828
655
United Kingdom
1,771
636
India
1,943
255
Spain
1,002
946
Germany
1,003
699
Belgium
481
1,138
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 | 900 ms | 800 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.