SegmentStream vs Site Kit
Head-to-head usage across the sites we track.
Top sites by authority
SegmentStream · Site Kit · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
1
40
Open Page Rank 8+
2
645
Open Page Rank 7+
2
2,680
Open Page Rank 6+
5
5,867
Open Page Rank 5+
8
12,357
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
SegmentStream · Site Kit · share of sites in each country using one or the other
United States
43
191,744
India
22
94,995
Japan
14
73,790
Brazil
8
71,181
United Kingdom
36
64,452
France
29
63,629
Spain
23
63,132
Italy
22
58,351
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | SegmentStream | Site Kit |
|---|---|---|
| LCP | 1.9 s | 2.4 s |
| INP | 150 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 800 ms | 1300 ms |
Median site's p75 values from the Chrome UX Report, Sep 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.