mParticle vs Simon
Head-to-head usage across the sites we track.
Top sites by authority
mParticle · Simon · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
7
1
Open Page Rank 8+
70
3
Open Page Rank 7+
193
10
Open Page Rank 6+
300
18
Open Page Rank 5+
392
32
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
mParticle · Simon · share of sites in each country using one or the other
United States
4,565
158
Canada
865
103
United Kingdom
556
73
India
547
78
Australia
437
61
Mexico
411
72
Germany
411
52
France
393
62
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | mParticle | Simon |
|---|---|---|
| LCP | 1.8 s | 2.3 s |
| INP | 75 ms | 125 ms |
| CLS | 0 | 0.05 |
| TTFB | 800 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.
Sites that switched
Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.
Simon to mParticle
| Domain | When |
|---|---|
| site.com | Nov 2025 |