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+
42
1
Open Page Rank 8+
455
3
Open Page Rank 7+
1,473
10
Open Page Rank 6+
2,604
19
Open Page Rank 5+
3,984
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
25,308
146
India
9,866
69
United Kingdom
9,012
66
Canada
8,363
92
Germany
7,276
48
Australia
5,871
56
Brazil
5,519
47
France
5,305
48
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 |
| TTFB | 700 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.
Sites that switched
Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.
Simon to Segment
| Domain | When |
|---|---|
| allegiantair.com | Aug 2026 |