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+
25
1,018
Open Page Rank 7+
125
4,401
Open Page Rank 6+
348
9,127
Open Page Rank 5+
668
16,576
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
7,944
107,713
India
2,482
40,606
United Kingdom
2,903
35,927
Canada
3,026
29,014
France
1,018
22,890
Germany
1,245
22,199
Australia
2,018
20,648
Spain
742
18,473
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, Jun 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 |
| insertbeakproductionsllc.buzz | Aug 2025 |