Site Kit vs Synerise
Head-to-head usage across the sites we track.
Top sites by authority
Site Kit · Synerise · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
38
0
Open Page Rank 8+
649
0
Open Page Rank 7+
2,684
1
Open Page Rank 6+
5,882
2
Open Page Rank 5+
12,397
5
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Site Kit · Synerise · share of sites in each country using one or the other
United States
191,744
22
India
94,995
16
Japan
73,790
6
Brazil
71,181
7
United Kingdom
64,452
33
France
63,629
30
Spain
63,132
30
Italy
58,351
30
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Site Kit | Synerise |
|---|---|---|
| LCP | 2.4 s | 2 s |
| INP | 75 ms | 125 ms |
| CLS | 0 | 0 |
| TTFB | 1300 ms | 900 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.