Google Workspace vs RoundCube
Head-to-head usage across the sites we track.
Top sites by authority
Google Workspace · RoundCube · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
108
0
Open Page Rank 8+
2,103
75
Open Page Rank 7+
10,648
237
Open Page Rank 6+
23,439
380
Open Page Rank 5+
45,075
540
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 · RoundCube · share of sites in each country using one or the other
United States
575,155
790
India
186,581
638
United Kingdom
141,420
526
Canada
124,095
285
Brazil
92,491
581
Australia
84,698
181
France
79,091
491
Germany
75,593
721
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Google Workspace | RoundCube |
|---|---|---|
| LCP | 1.8 s | 1.5 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 700 ms | 600 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.