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+
180
2
Open Page Rank 8+
3,860
16
Open Page Rank 7+
18,993
25
Open Page Rank 6+
40,203
33
Open Page Rank 5+
74,817
35
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
886,770
64
India
429,293
58
Germany
322,762
47
United Kingdom
295,976
94
France
279,130
49
Brazil
273,285
27
Italy
251,088
39
Spain
202,979
51
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, Jun 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.