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
2,428
87,178
United Kingdom
1,194
29,173
Germany
1,146
24,259
Canada
955
23,316
India
1,747
22,314
France
1,016
19,373
Netherlands
778
16,190
Australia
715
15,569
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 | 125 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 700 ms | 900 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.
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 |
|---|---|
| moralambition.org | Jun 2026 |
| youtubeviews.in | Apr 2026 |
| vanbreda-health.be | Feb 2026 |