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+
16
1,068
Open Page Rank 7+
37
3,744
Open Page Rank 6+
56
6,946
Open Page Rank 5+
76
11,527
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
195
47,191
United Kingdom
94
25,006
India
99
21,873
Canada
78
21,391
Germany
115
20,364
France
100
18,868
Spain
79
16,862
Italy
69
15,861
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, 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.