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 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
640,473
960
India
211,491
790
United Kingdom
162,827
405
Canada
142,111
305
Brazil
100,879
903
France
96,494
591
Australia
95,186
184
Germany
85,740
533
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, 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.
Sites that switched
Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.
Zimbra to Google Workspace
| Domain | When |
|---|---|
| jakarta.go.id | Aug 2025 |