Bootstrap vs Flowbite
Head-to-head usage across the sites we track.
Top sites by authority
Bootstrap · Flowbite · 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
17
Open Page Rank 7+
18,993
40
Open Page Rank 6+
40,203
72
Open Page Rank 5+
74,817
110
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Bootstrap · Flowbite · share of sites in each country using one or the other
United States
886,770
460
India
429,293
397
Germany
322,762
193
United Kingdom
295,976
257
France
279,130
192
Brazil
273,285
188
Italy
251,088
144
Spain
202,979
144
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Bootstrap | Flowbite |
|---|---|---|
| LCP | 1.8 s | 1.9 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 Flowbite
| Domain | When |
|---|---|
| rapyd.cloud | May 2026 |
| iptv-epg.org | Feb 2026 |
| genuinetech.pk | Feb 2026 |
| truthguard.org | Jan 2026 |
| joinrealtyhub.com | Jan 2026 |
| doctyclinics.com | Dec 2025 |
| taibah.org.sa | Aug 2025 |
| ppfocus.com | Aug 2025 |
| tetatube.com | Jul 2025 |
| rashtrasamvad.com | Jul 2025 |
Flowbite to Bootstrap
| Domain | When |
|---|---|
| allservices.help | Feb 2026 |
| mystudyhub.site | Nov 2025 |
| royalhouse.es | Sep 2025 |
| jachete.es | Jul 2025 |
| zafaf.sa | Jul 2025 |