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+
56
3
Open Page Rank 8+
852
4
Open Page Rank 7+
3,776
4
Open Page Rank 6+
8,015
4
Open Page Rank 5+
15,311
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
140,200
75
United Kingdom
64,810
17
Canada
41,963
22
India
40,362
54
Italy
33,400
33
Netherlands
31,497
12
Australia
31,343
14
Spain
31,220
29
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | MailChimp | Systeme.io |
|---|---|---|
| LCP | 1.9 s | 2.3 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 900 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.