CartKit vs MailChimp
Head-to-head usage across the sites we track.
Top sites by authority
CartKit · MailChimp · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
0
58
Open Page Rank 8+
0
863
Open Page Rank 7+
0
3,810
Open Page Rank 6+
0
8,097
Open Page Rank 5+
0
15,491
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
CartKit · MailChimp · share of sites in each country using one or the other
United States
66
140,200
United Kingdom
29
64,810
Canada
18
41,963
India
15
40,362
Italy
14
33,400
Netherlands
14
31,497
Australia
16
31,343
Spain
16
31,220
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | CartKit | MailChimp |
|---|---|---|
| LCP | 1.6 s | 1.9 s |
| INP | 100 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 500 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.