Google Workspace vs Zimbra
Head-to-head usage across the sites we track.
Top sites by authority
Google Workspace · Zimbra · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
106
0
Open Page Rank 8+
2,080
35
Open Page Rank 7+
10,513
136
Open Page Rank 6+
23,067
252
Open Page Rank 5+
44,259
393
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Google Workspace · Zimbra · share of sites in each country using one or the other
United States
564,788
848
India
183,531
708
United Kingdom
142,016
373
Canada
123,499
284
Brazil
90,568
809
Australia
81,763
156
France
80,679
519
Spain
75,066
423
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Google Workspace | Zimbra |
|---|---|---|
| LCP | 1.8 s | 1.7 s |
| INP | 75 ms | 100 ms |
| CLS | 0 | 0 |
| TTFB | 700 ms | 600 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.