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+
19
2
Open Page Rank 8+
228
20
Open Page Rank 7+
646
59
Open Page Rank 6+
1,058
89
Open Page Rank 5+
1,614
141
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
12,343
490
Japan
6,198
3,663
India
5,500
493
Brazil
5,217
167
United Kingdom
4,236
318
Canada
3,596
213
Germany
3,468
272
France
3,236
396
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Google Cloud Trace | Intersection Observer |
|---|---|---|
| LCP | 2.4 s | 1.8 s |
| INP | 100 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 800 ms | 800 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.
All Google Cloud Trace sites · All Intersection Observer sites