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+
8
122
Open Page Rank 8+
59
2,600
Open Page Rank 7+
130
13,569
Open Page Rank 6+
234
31,935
Open Page Rank 5+
414
67,594
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
2,163
890,234
Japan
1,220
429,012
India
548
340,035
Germany
894
337,554
United Kingdom
1,301
300,059
Italy
384
285,630
France
523
284,252
Brazil
211
262,266
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 | 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.
Concrete CMS to WordPress
| Domain | When |
|---|---|
| veteranswithdogs.org.uk | Mar 2026 |
| konszewiczdomy.pl | Feb 2026 |
WordPress to Concrete CMS
| Domain | When |
|---|---|
| kochtoepfli.ch | May 2026 |