Bootstrap vs GOV.UK Template
Head-to-head usage across the sites we track.
Top sites by authority
Bootstrap · GOV.UK Template · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
184
3
Open Page Rank 8+
3,816
15
Open Page Rank 7+
18,496
24
Open Page Rank 6+
38,723
31
Open Page Rank 5+
71,693
33
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 Template · share of sites in each country using one or the other
United States
758,929
60
India
368,409
51
Germany
277,428
41
United Kingdom
255,833
83
Brazil
241,343
27
France
234,434
42
Italy
222,549
36
Spain
183,194
44
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Bootstrap | GOV.UK Template |
|---|---|---|
| LCP | 1.8 s | 1 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.