GitBook vs YUI Doc
Head-to-head usage across the sites we track.
Top sites by authority
GitBook · YUI Doc · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
3
0
Open Page Rank 8+
50
5
Open Page Rank 7+
166
31
Open Page Rank 6+
288
49
Open Page Rank 5+
473
65
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
GitBook · YUI Doc · share of sites in each country using one or the other
United States
2,236
347
India
1,844
132
Indonesia
1,196
69
United Kingdom
1,084
158
Brazil
1,112
105
Germany
1,051
155
France
921
153
Canada
910
114
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | GitBook | YUI Doc |
|---|---|---|
| LCP | 2.1 s | 1.9 s |
| INP | 100 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 700 ms | 700 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.