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
4
Open Page Rank 8+
2
68
Open Page Rank 7+
5
165
Open Page Rank 6+
5
281
Open Page Rank 5+
8
467
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
12
3,759
Germany
21
1,442
Spain
7
1,255
United Kingdom
13
1,182
France
7
1,176
Italy
7
983
Canada
5
913
Netherlands
10
688
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 | 1100 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.
Bookero to EventOn
| Domain | When |
|---|---|
| parafia-mb.pl | Nov 2025 |