Concrete CMS vs WordPress
Head-to-head usage across the sites we track.
Top sites by authority
Concrete CMS · WordPress · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
7
124
Open Page Rank 8+
63
2,642
Open Page Rank 7+
139
13,961
Open Page Rank 6+
242
32,968
Open Page Rank 5+
422
70,016
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Concrete CMS · WordPress · share of sites in each country using one or the other
United States
2,535
1,036,104
Japan
1,451
501,069
India
570
400,184
Germany
983
386,848
United Kingdom
1,518
348,389
France
633
338,555
Italy
445
318,819
Brazil
241
300,319
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Concrete CMS | WordPress |
|---|---|---|
| LCP | 1.6 s | 2.2 s |
| INP | 50 ms | 50 ms |
| CLS | 0 | 0 |
| TTFB | 900 ms | 1100 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.
Concrete CMS to WordPress
| Domain | When |
|---|---|
| veteranswithdogs.org.uk | Mar 2026 |
| konszewiczdomy.pl | Feb 2026 |
| fidanka.com | Aug 2025 |