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+
55
3
Open Page Rank 8+
881
5
Open Page Rank 7+
3,928
6
Open Page Rank 6+
8,381
6
Open Page Rank 5+
16,023
6
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
161,030
74
United Kingdom
74,844
15
Canada
48,970
18
India
47,917
49
France
37,876
134
Australia
37,236
18
Italy
37,051
30
Germany
36,354
20
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | MailChimp | Systeme.io |
|---|---|---|
| LCP | 2 s | 2.5 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 900 ms | 1000 ms |
Median site's p75 values from the Chrome UX Report, Jun 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.