GOV.UK Toolkit vs ZURB Foundation
Head-to-head usage across the sites we track.
Top sites by authority
GOV.UK Toolkit · ZURB Foundation · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
2
66
Open Page Rank 8+
11
1,000
Open Page Rank 7+
15
3,322
Open Page Rank 6+
18
6,029
Open Page Rank 5+
19
10,079
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
GOV.UK Toolkit · ZURB Foundation · share of sites in each country using one or the other
United States
42
87,178
United Kingdom
58
29,173
Germany
30
24,259
Canada
30
23,316
India
39
22,314
France
32
19,373
Netherlands
31
16,190
Australia
25
15,569
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | GOV.UK Toolkit | ZURB Foundation |
|---|---|---|
| LCP | 1.1 s | 1.8 s |
| INP | 50 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 500 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.