Headless UI vs ZURB Foundation
Head-to-head usage across the sites we track.
Top sites by authority
Headless 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
Headless UI · ZURB Foundation · share of sites in each country using one or the other
United States
10,432
87,178
United Kingdom
5,181
29,173
Germany
4,896
24,259
India
6,038
22,314
Canada
4,263
23,316
France
4,122
19,373
Netherlands
3,244
16,190
Australia
3,093
15,569
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Headless UI | ZURB Foundation |
|---|---|---|
| LCP | 2.1 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, 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.
Headless UI to ZURB Foundation
| Domain | When |
|---|---|
| labreportdallas.com | Apr 2026 |
| chainplay.gg | Dec 2025 |
ZURB Foundation to Headless UI
| Domain | When |
|---|---|
| suffolkgolfunion.com | Jun 2026 |
| suzuki.de | Mar 2026 |