BookStack vs Zendesk
Head-to-head usage across the sites we track.
Top sites by authority
BookStack · Zendesk · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
0
89
Open Page Rank 8+
18
1,075
Open Page Rank 7+
39
3,759
Open Page Rank 6+
56
6,998
Open Page Rank 5+
74
11,620
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
BookStack · Zendesk · share of sites in each country using one or the other
United States
184
47,399
United Kingdom
90
25,088
India
100
22,237
Canada
75
21,429
Germany
110
20,616
France
95
18,921
Spain
78
16,321
Australia
48
15,693
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | BookStack | Zendesk |
|---|---|---|
| LCP | 1.6 s | 1.9 s |
| INP | 75 ms | 100 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.