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+
4
0
Open Page Rank 8+
52
4
Open Page Rank 7+
176
30
Open Page Rank 6+
310
49
Open Page Rank 5+
502
67
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
2,554
363
India
2,119
143
Indonesia
1,436
86
Germany
1,244
164
United Kingdom
1,233
167
Brazil
1,274
112
France
1,132
180
Japan
1,012
160
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | GitBook | YUI Doc |
|---|---|---|
| LCP | 2.2 s | 1.8 s |
| INP | 100 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 700 ms | 800 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.