DomainFactory vs Xserver
Head-to-head usage across the sites we track.
Top sites by authority
DomainFactory · Xserver · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 8+
1
11
Open Page Rank 7+
1
28
Open Page Rank 6+
1
117
Open Page Rank 5+
2
499
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
DomainFactory · Xserver · share of sites in each country using one or the other
Japan
9
158,717
United States
32
753
Taiwan
4
751
Indonesia
12
480
South Korea
4
480
Germany
274
94
Thailand
5
306
India
27
253
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | DomainFactory | Xserver |
|---|---|---|
| LCP | 1.6 s | 1.6 s |
| INP | 75 ms | 50 ms |
| CLS | 0 | 0 |
| TTFB | 700 ms | 700 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.