mParticle vs Tail
Head-to-head usage across the sites we track.
Top sites by authority
mParticle · Tail · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
9
3
Open Page Rank 8+
80
5
Open Page Rank 7+
212
20
Open Page Rank 6+
315
32
Open Page Rank 5+
400
48
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
mParticle · Tail · share of sites in each country using one or the other
United States
3,561
226
Brazil
312
660
Canada
676
124
United Kingdom
520
115
India
493
84
Spain
366
152
Mexico
394
119
Germany
372
113
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | mParticle | Tail |
|---|---|---|
| LCP | 1.6 s | 2.3 s |
| INP | 75 ms | 150 ms |
| CLS | 0 | 0.05 |
| 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.