Segment vs Simon
Head-to-head usage across the sites we track.
Top sites by authority
Segment · Simon · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
39
1
Open Page Rank 8+
438
3
Open Page Rank 7+
1,459
10
Open Page Rank 6+
2,616
18
Open Page Rank 5+
4,017
32
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Segment · Simon · share of sites in each country using one or the other
United States
27,867
158
India
11,239
78
United Kingdom
10,369
73
Canada
9,587
103
Germany
8,173
52
Australia
6,664
61
France
6,503
62
Brazil
6,136
51
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Segment | Simon |
|---|---|---|
| LCP | 1.9 s | 2.3 s |
| INP | 100 ms | 125 ms |
| CLS | 0 | 0.05 |
| TTFB | 700 ms | 700 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.