Google Cloud Trace vs Intersection Observer
Head-to-head usage across the sites we track.
Top sites by authority
Google Cloud Trace · Intersection Observer · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
18
1
Open Page Rank 8+
211
20
Open Page Rank 7+
616
60
Open Page Rank 6+
1,005
91
Open Page Rank 5+
1,530
165
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Google Cloud Trace · Intersection Observer · share of sites in each country using one or the other
United States
13,009
580
Japan
5,458
4,165
India
5,758
566
Brazil
5,544
176
United Kingdom
4,686
352
Canada
3,989
252
France
3,717
448
Germany
3,741
298
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Google Cloud Trace | Intersection Observer |
|---|---|---|
| LCP | 2.3 s | 2 s |
| INP | 100 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 700 ms | 900 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.
All Google Cloud Trace sites · All Intersection Observer sites