Pico CSS vs ZURB Foundation
Head-to-head usage across the sites we track.
Top sites by authority
Pico CSS · 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
Pico CSS · ZURB Foundation · share of sites in each country using one or the other
United States
138
86,282
United Kingdom
72
29,226
Germany
77
23,949
Canada
73
23,311
India
101
21,706
France
80
19,589
Netherlands
56
16,523
Italy
58
15,964
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Pico CSS | ZURB Foundation |
|---|---|---|
| LCP | 1.4 s | 1.8 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 600 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 Pico CSS
| Domain | When |
|---|---|
| asiatvdarm.com | Dec 2025 |
| splunk.com | Dec 2025 |