Datadog vs SpeedCurve
Head-to-head usage across the sites we track.
Top sites by authority
Datadog · SpeedCurve · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
63
10
Open Page Rank 8+
775
103
Open Page Rank 7+
2,263
207
Open Page Rank 6+
3,807
276
Open Page Rank 5+
5,698
360
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Datadog · SpeedCurve · share of sites in each country using one or the other
United States
76,565
846
United Kingdom
13,562
726
Canada
13,429
624
India
11,410
652
South Korea
10,315
336
Australia
9,562
520
Germany
8,844
694
France
8,301
625
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Datadog | SpeedCurve |
|---|---|---|
| LCP | 2.1 s | 1.9 s |
| INP | 100 ms | 125 ms |
| CLS | 0.05 | 0 |
| TTFB | 700 ms | 700 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.