Aprimo vs Celum
Head-to-head usage across the sites we track.
Top sites by authority
Aprimo · Celum · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
4
0
Open Page Rank 8+
13
0
Open Page Rank 7+
28
0
Open Page Rank 6+
39
5
Open Page Rank 5+
55
13
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Aprimo · Celum · share of sites in each country using one or the other
Brazil
251
9
United States
110
21
India
83
17
Italy
78
17
United Kingdom
79
14
Germany
69
21
Canada
73
13
France
59
19
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Aprimo | Celum |
|---|---|---|
| LCP | 2.1 s | 1.3 s |
| INP | 100 ms | 112 ms |
| CLS | 0 | 0 |
| TTFB | 900 ms | 500 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.