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
4
Open Page Rank 7+
171
32
Open Page Rank 6+
294
50
Open Page Rank 5+
484
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
2,277
340
India
1,858
133
Indonesia
1,206
71
Brazil
1,142
97
United Kingdom
1,083
152
Germany
1,080
148
France
937
145
Canada
895
115
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | GitBook | YUI Doc |
|---|---|---|
| LCP | 2.1 s | 1.8 s |
| INP | 100 ms | 75 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.