Grin vs MailChimp
Head-to-head usage across the sites we track.
Top sites by authority
Grin · MailChimp · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
1
59
Open Page Rank 8+
3
871
Open Page Rank 7+
14
3,844
Open Page Rank 6+
39
8,214
Open Page Rank 5+
89
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
Grin · MailChimp · share of sites in each country using one or the other
United States
839
142,004
United Kingdom
469
65,019
Canada
559
42,102
India
485
41,567
Australia
384
32,722
Germany
312
31,989
Italy
219
31,919
France
276
31,178
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Grin | MailChimp |
|---|---|---|
| LCP | 1.9 s | 2 s |
| INP | 125 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 600 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.
Sites that switched
Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.
Grin to MailChimp
| Domain | When |
|---|---|
| verbenergy.com | Dec 2025 |
| flowhydration.ca | Oct 2025 |
| flowhydration.com | Oct 2025 |