Iterable vs MailChimp
Head-to-head usage across the sites we track.
Top sites by authority
Iterable · 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+
1
871
Open Page Rank 7+
5
3,844
Open Page Rank 6+
9
8,214
Open Page Rank 5+
14
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
Iterable · MailChimp · share of sites in each country using one or the other
United States
52
142,004
United Kingdom
40
65,019
Canada
40
42,102
India
34
41,567
Australia
31
32,722
Germany
30
31,989
Italy
25
31,919
France
27
31,178
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Iterable | MailChimp |
|---|---|---|
| LCP | 2.1 s | 2 s |
| INP | 100 ms | 75 ms |
| CLS | 0.05 | 0 |
| TTFB | 700 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.