Base UI vs ZURB Foundation
Head-to-head usage across the sites we track.
Top sites by authority
Base UI · ZURB Foundation · 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
Base UI · ZURB Foundation · share of sites in each country using one or the other
United States
4,051
86,282
United Kingdom
2,061
29,226
Germany
1,936
23,949
Canada
1,687
23,311
India
3,069
21,706
France
1,716
19,589
Netherlands
1,360
16,523
Italy
1,343
15,964
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Base UI | ZURB Foundation |
|---|---|---|
| LCP | 2.2 s | 1.8 s |
| INP | 100 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 700 ms | 900 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.
Sites that switched
Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.
ZURB Foundation to Base UI
| Domain | When |
|---|---|
| heavenstudios.org | Oct 2026 |
| debirobinson.com | Sep 2026 |
| theguthealthmd.com | Aug 2026 |
| moralambition.org | Jun 2026 |
| youtubeviews.in | Apr 2026 |
| vanbreda-health.be | Feb 2026 |