RCMS vs WordPress
Head-to-head usage across the sites we track.
Top sites by authority
RCMS · WordPress · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
0
122
Open Page Rank 8+
0
2,606
Open Page Rank 7+
0
13,725
Open Page Rank 6+
0
32,402
Open Page Rank 5+
0
68,820
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
RCMS · WordPress · share of sites in each country using one or the other
United States
0
915,273
Japan
0
434,030
India
0
347,241
Germany
5
344,615
United Kingdom
0
302,584
France
0
280,353
Brazil
0
272,704
Italy
0
272,209
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | RCMS | WordPress |
|---|---|---|
| LCP | 1.4 s | 2.2 s |
| INP | 0 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 600 ms | 1100 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.