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+
4
5
Open Page Rank 8+
52
65
Open Page Rank 7+
176
166
Open Page Rank 6+
310
247
Open Page Rank 5+
502
341
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
2,554
1,126
India
2,119
940
United Kingdom
1,233
707
Indonesia
1,436
496
Brazil
1,274
592
Germany
1,244
588
France
1,132
582
Canada
1,021
626
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | GitBook | ReadMe |
|---|---|---|
| LCP | 2.2 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, 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.