Gravity Insights vs Site Kit
Head-to-head usage across the sites we track.
Top sites by authority
Gravity Insights · Site Kit · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
0
36
Open Page Rank 8+
0
649
Open Page Rank 7+
0
2,698
Open Page Rank 6+
0
5,893
Open Page Rank 5+
0
12,351
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Gravity Insights · Site Kit · share of sites in each country using one or the other
United States
2
215,676
India
2
110,602
Japan
1
82,773
Brazil
2
80,295
France
1
74,632
United Kingdom
1
72,179
Spain
1
67,753
Italy
0
63,679
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Gravity Insights | Site Kit |
|---|---|---|
| LCP | 1.8 s | 2.4 s |
| INP | 100 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 600 ms | 1300 ms |
Median site's p75 values from the Chrome UX Report, Jun 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.