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
3
Open Page Rank 8+
189
65
Open Page Rank 7+
566
151
Open Page Rank 6+
1,090
260
Open Page Rank 5+
2,024
446
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
16,610
3,319
Germany
16,330
1,218
India
7,172
593
France
5,006
943
Italy
4,959
826
United Kingdom
4,612
1,016
Canada
3,850
781
Spain
2,825
1,006
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, 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.
EventOn to Calendly
| Domain | When |
|---|---|
| hishealinglight.org | Mar 2026 |