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
142
87,178
United Kingdom
70
29,173
Germany
77
24,259
Canada
73
23,316
India
104
22,314
France
83
19,373
Netherlands
56
16,190
Australia
56
15,569
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Pico CSS | ZURB Foundation |
|---|---|---|
| LCP | 1.5 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, 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 Pico CSS
| Domain | When |
|---|---|
| asiatvdarm.com | Dec 2025 |
| splunk.com | Dec 2025 |