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+
8
3
Open Page Rank 8+
74
5
Open Page Rank 7+
207
22
Open Page Rank 6+
313
34
Open Page Rank 5+
401
49
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
5,521
232
Brazil
298
678
Canada
679
126
United Kingdom
508
114
India
485
79
Spain
365
155
Mexico
381
122
Germany
375
114
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | mParticle | Tail |
|---|---|---|
| LCP | 1.5 s | 2.3 s |
| INP | 100 ms | 150 ms |
| CLS | 0 | 0.05 |
| TTFB | 500 ms | 900 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.