Bootstrap vs GOV.UK Frontend
Head-to-head usage across the sites we track.
Top sites by authority
Bootstrap · GOV.UK Frontend · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
184
2
Open Page Rank 8+
3,816
31
Open Page Rank 7+
18,496
85
Open Page Rank 6+
38,723
141
Open Page Rank 5+
71,693
179
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Bootstrap · GOV.UK Frontend · share of sites in each country using one or the other
United States
758,929
169
India
368,409
148
Germany
277,428
97
United Kingdom
255,833
529
Brazil
241,343
62
France
234,434
97
Italy
222,549
83
Spain
183,194
114
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Bootstrap | GOV.UK Frontend |
|---|---|---|
| LCP | 1.8 s | 1.4 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 800 ms | 500 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.