Act-On vs MailChimp
Head-to-head usage across the sites we track.
Top sites by authority
Act-On · MailChimp · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
0
59
Open Page Rank 8+
8
871
Open Page Rank 7+
47
3,844
Open Page Rank 6+
117
8,214
Open Page Rank 5+
213
15,705
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Act-On · MailChimp · share of sites in each country using one or the other
United States
1,238
142,004
United Kingdom
305
65,019
Canada
402
42,102
India
429
41,567
Australia
174
32,722
Germany
155
31,989
Italy
109
31,919
France
129
31,178
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Act-On | MailChimp |
|---|---|---|
| LCP | 2 s | 2 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 900 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.