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
5
Open Page Rank 8+
3,822
14
Open Page Rank 7+
18,772
19
Open Page Rank 6+
39,549
26
Open Page Rank 5+
73,510
32
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
783,149
142
India
375,468
104
Germany
285,193
77
United Kingdom
258,945
70
Brazil
247,896
86
France
233,698
83
Italy
215,264
60
Canada
174,973
73
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Bootstrap | Pico CSS |
|---|---|---|
| LCP | 1.8 s | 1.5 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 800 ms | 600 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.
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 |