Sensors Data vs Site Kit
Head-to-head usage across the sites we track.
Top sites by authority
Sensors Data · Site Kit · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
4
36
Open Page Rank 8+
35
649
Open Page Rank 7+
111
2,698
Open Page Rank 6+
187
5,893
Open Page Rank 5+
252
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
Sensors Data · Site Kit · share of sites in each country using one or the other
United States
1,756
215,676
India
1,589
110,602
Japan
1,064
82,773
Brazil
3,233
80,295
France
676
74,632
United Kingdom
757
72,179
Spain
527
67,753
Italy
580
63,679
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Sensors Data | Site Kit |
|---|---|---|
| LCP | 2 s | 2.4 s |
| INP | 475 ms | 75 ms |
| CLS | 0.05 | 0 |
| TTFB | 700 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.