Bootstrap vs Pico CSS
Head-to-head usage across the sites we track.
Top sites by authority
Bootstrap · Pico CSS · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
181
4
Open Page Rank 8+
3,817
14
Open Page Rank 7+
18,570
19
Open Page Rank 6+
39,005
25
Open Page Rank 5+
72,373
31
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Bootstrap · Pico CSS · share of sites in each country using one or the other
United States
758,929
138
India
368,409
101
Germany
277,428
77
United Kingdom
255,833
72
Brazil
241,343
83
France
234,434
80
Italy
222,549
58
Spain
183,194
72
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Bootstrap | Pico CSS |
|---|---|---|
| LCP | 1.8 s | 1.4 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 800 ms | 600 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.
Sites that switched
Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.
Bootstrap to Pico CSS
| Domain | When |
|---|---|
| corishta.com | Apr 2026 |
| hasanalbanna.id | Jan 2026 |
Pico CSS to Bootstrap
| Domain | When |
|---|---|
| envisionmotors.com | Apr 2026 |