Preline UI vs ZURB Foundation
Head-to-head usage across the sites we track.
Top sites by authority
Preline 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
Preline UI · ZURB Foundation · share of sites in each country using one or the other
United States
124
87,178
United Kingdom
62
29,173
Germany
56
24,259
Canada
45
23,316
India
174
22,314
France
48
19,373
Netherlands
32
16,190
Australia
33
15,569
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Preline UI | ZURB Foundation |
|---|---|---|
| LCP | 2 s | 1.8 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 900 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 Preline UI
| Domain | When |
|---|---|
| synaxusinc.com | Sep 2025 |