Rosti vs Xserver
Head-to-head usage across the sites we track.
Top sites by authority
Rosti · Xserver · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 8+
0
11
Open Page Rank 7+
0
28
Open Page Rank 6+
0
117
Open Page Rank 5+
0
500
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Rosti · Xserver · share of sites in each country using one or the other
Japan
0
180,950
Taiwan
1
838
United States
3
801
Indonesia
1
588
South Korea
2
482
Thailand
1
306
Hong Kong SAR China
0
305
India
2
250
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Rosti | Xserver |
|---|---|---|
| LCP | 1.3 s | 1.6 s |
| INP | 75 ms | 50 ms |
| CLS | 0 | 0 |
| TTFB | 400 ms | 700 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.