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+
180
5
Open Page Rank 8+
3,860
18
Open Page Rank 7+
18,993
22
Open Page Rank 6+
40,203
28
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 · Pico CSS · share of sites in each country using one or the other
United States
886,770
150
India
429,293
104
Germany
322,762
88
United Kingdom
295,976
75
France
279,130
83
Brazil
273,285
92
Italy
251,088
66
Spain
202,979
67
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Bootstrap | Pico CSS |
|---|---|---|
| LCP | 1.8 s | 1.6 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 800 ms | 700 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.
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 |