ConvertKit vs HubSpot
Head-to-head usage across the sites we track.
Top sites by authority
ConvertKit · HubSpot · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
8
80
Open Page Rank 8+
26
1,036
Open Page Rank 7+
120
4,440
Open Page Rank 6+
336
9,208
Open Page Rank 5+
655
16,697
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
ConvertKit · HubSpot · share of sites in each country using one or the other
United States
7,034
97,649
India
2,075
36,303
United Kingdom
2,496
30,812
Canada
2,570
25,528
Australia
1,754
18,756
Germany
1,077
19,349
France
801
17,986
Mexico
593
15,724
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | ConvertKit | HubSpot |
|---|---|---|
| LCP | 2 s | 2 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 900 ms | 800 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.
ConvertKit to HubSpot
| Domain | When |
|---|---|
| nikolajanjic.com | Feb 2026 |
| bullmania.com | Nov 2025 |
| artisanfounder.com | Sep 2025 |
HubSpot to ConvertKit
| Domain | When |
|---|---|
| theclimbingcompany.com.au | Mar 2026 |