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
2
Open Page Rank 8+
190
61
Open Page Rank 7+
573
146
Open Page Rank 6+
1,087
251
Open Page Rank 5+
2,022
435
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
16,543
3,306
Germany
16,090
1,231
India
7,113
589
France
5,462
998
Italy
5,184
851
United Kingdom
4,681
1,041
Canada
3,854
785
Spain
3,136
1,132
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, Sep 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 |