Calendly vs EventOn
Head-to-head usage across the sites we track.
Top sites by authority
Calendly · EventOn · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
25
4
Open Page Rank 8+
199
68
Open Page Rank 7+
587
165
Open Page Rank 6+
1,124
281
Open Page Rank 5+
2,074
467
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Calendly · EventOn · share of sites in each country using one or the other
United States
18,062
3,759
Germany
18,452
1,442
India
8,027
680
France
6,306
1,176
Italy
5,616
983
United Kingdom
5,376
1,182
Canada
4,350
913
Spain
3,324
1,255
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Calendly | EventOn |
|---|---|---|
| LCP | 1.9 s | 2.3 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 800 ms | 1200 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.
EventOn to Calendly
| Domain | When |
|---|---|
| hishealinglight.org | Mar 2026 |