GitBook vs ReadMe
Head-to-head usage across the sites we track.
Top sites by authority
GitBook · ReadMe · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
3
5
Open Page Rank 8+
50
64
Open Page Rank 7+
171
162
Open Page Rank 6+
294
245
Open Page Rank 5+
484
334
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
GitBook · ReadMe · share of sites in each country using one or the other
United States
2,277
1,003
India
1,858
848
United Kingdom
1,083
626
Brazil
1,142
543
Indonesia
1,206
432
Germany
1,080
507
Canada
895
564
France
937
484
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | GitBook | ReadMe |
|---|---|---|
| LCP | 2.1 s | 2.3 s |
| INP | 100 ms | 100 ms |
| CLS | 0 | 0 |
| TTFB | 700 ms | 800 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.