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+
10
1
Open Page Rank 8+
92
3
Open Page Rank 7+
229
10
Open Page Rank 6+
342
17
Open Page Rank 5+
430
30
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
3,561
148
Canada
676
88
United Kingdom
520
63
India
493
68
Australia
402
55
Mexico
394
59
Germany
372
46
Spain
366
48
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | mParticle | Simon |
|---|---|---|
| LCP | 1.6 s | 2.2 s |
| INP | 75 ms | 150 ms |
| CLS | 0 | 0 |
| TTFB | 700 ms | 900 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.
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 |