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
2
Open Page Rank 8+
234
21
Open Page Rank 7+
663
59
Open Page Rank 6+
1,085
88
Open Page Rank 5+
1,645
140
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
12,584
491
Japan
6,462
3,623
India
5,638
491
Brazil
5,236
159
United Kingdom
4,348
302
Canada
3,683
218
France
3,331
394
Germany
3,444
278
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 | 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, Sep 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