Bookero vs EventOn
Head-to-head usage across the sites we track.
Top sites by authority
Bookero · EventOn · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
1
2
Open Page Rank 8+
2
59
Open Page Rank 7+
5
145
Open Page Rank 6+
5
246
Open Page Rank 5+
8
427
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Bookero · EventOn · share of sites in each country using one or the other
United States
8
3,306
Germany
16
1,231
Spain
7
1,132
United Kingdom
13
1,041
France
5
998
Italy
9
851
Canada
4
785
India
6
589
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Bookero | EventOn |
|---|---|---|
| LCP | 1.9 s | 2.3 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 900 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.
Bookero to EventOn
| Domain | When |
|---|---|
| parafia-mb.pl | Nov 2025 |