Sirge vs Site Kit
Head-to-head usage across the sites we track.
Top sites by authority
Sirge · Site Kit · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
0
39
Open Page Rank 8+
0
636
Open Page Rank 7+
0
2,691
Open Page Rank 6+
0
5,912
Open Page Rank 5+
0
12,410
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Sirge · Site Kit · share of sites in each country using one or the other
United States
36
194,442
India
5
96,669
Japan
1
73,684
Brazil
1
73,670
United Kingdom
3
63,934
France
2
62,421
Spain
2
58,678
Italy
2
55,218
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Sirge | Site Kit |
|---|---|---|
| LCP | 1.5 s | 2.4 s |
| INP | 100 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 500 ms | 1300 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.