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+
8
1
Open Page Rank 8+
74
3
Open Page Rank 7+
207
10
Open Page Rank 6+
313
19
Open Page Rank 5+
401
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
5,521
146
Canada
679
92
United Kingdom
508
66
India
485
69
Australia
400
56
Mexico
381
60
Germany
375
48
Spain
365
47
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | mParticle | Simon |
|---|---|---|
| LCP | 1.5 s | 2.3 s |
| INP | 100 ms | 125 ms |
| CLS | 0 | 0 |
| TTFB | 500 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 mParticle
| Domain | When |
|---|---|
| site.com | Nov 2025 |