Sphinx vs Zendesk
Head-to-head usage across the sites we track.
Top sites by authority
Sphinx · Zendesk · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
7
88
Open Page Rank 8+
41
1,086
Open Page Rank 7+
80
3,785
Open Page Rank 6+
113
7,053
Open Page Rank 5+
152
11,734
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Sphinx · Zendesk · share of sites in each country using one or the other
United States
508
52,678
United Kingdom
298
28,409
India
448
25,184
Canada
251
24,393
Germany
299
23,247
France
293
22,307
Spain
237
18,564
Australia
197
17,871
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Sphinx | Zendesk |
|---|---|---|
| LCP | 1.5 s | 2 s |
| INP | 50 ms | 100 ms |
| CLS | 0 | 0 |
| TTFB | 600 ms | 700 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.