MailChimp vs Systeme.io
Head-to-head usage across the sites we track.
Top sites by authority
MailChimp · Systeme.io · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
59
2
Open Page Rank 8+
871
4
Open Page Rank 7+
3,844
4
Open Page Rank 6+
8,214
4
Open Page Rank 5+
15,705
4
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
MailChimp · Systeme.io · share of sites in each country using one or the other
United States
142,004
81
United Kingdom
65,019
17
Canada
42,102
18
India
41,567
58
Australia
32,722
16
Germany
31,989
15
Italy
31,919
27
France
31,178
107
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | MailChimp | Systeme.io |
|---|---|---|
| LCP | 2 s | 2.4 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 900 ms | 1000 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.