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
67
Open Page Rank 7+
166
171
Open Page Rank 6+
288
255
Open Page Rank 5+
473
338
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
2,236
1,013
India
1,844
848
United Kingdom
1,084
630
Brazil
1,112
536
Indonesia
1,196
441
Germany
1,051
507
Canada
910
556
France
921
496
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 | 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.