InstantCMS vs Joomla
Head-to-head usage across the sites we track.
Top sites by authority
InstantCMS · Joomla · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
0
13
Open Page Rank 8+
2
280
Open Page Rank 7+
4
969
Open Page Rank 6+
4
1,864
Open Page Rank 5+
7
3,347
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
InstantCMS · Joomla · share of sites in each country using one or the other
Germany
41
29,173
United States
28
22,184
Italy
11
17,925
Poland
19
16,329
Russia
299
15,255
France
12
12,982
Spain
12
10,313
United Kingdom
12
8,683
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | InstantCMS | Joomla |
|---|---|---|
| LCP | 1.5 s | 1.8 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 700 ms | 900 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.