Bootstrap
Bootstrap is a free and open-source CSS framework directed at responsive, mobile-first front-end web development. It contains CSS and JavaScript-based design templates for typography, forms, buttons, navigation, and other interface components.
Get all 517,541 companies using Bootstrap
CSV with domain, country, industry, employees, funding, socials. Delivered by email.
Companies
517,541
Top Country
US
Top Industry
—
Adoption Insights
Bootstrap is used by 517,541 companies in our database, representing approximately 17.47% of all tracked websites. The adoption is strongest in US.
Top Countries Using Bootstrap
Companies Using Bootstrap
| Company | Domain | Country | Industry | Employees |
|---|---|---|---|---|
 Saks Global | saksglobal.com | US | Property Management | 1001-5000 |
 Indigo | indigoag.com | US | Agriculture | 501-1000 |
 D-Wave Quantum | dwavequantum.com | US | Electronics | 101-250 |
 Talkiatry | talkiatry.com | US | Health Care | 501-1000 |
 Tether | tetherev.io | SE | CleanTech | 1-10 |
 International Finance Corporation | ifc.org | US | Finance | 1001-5000 |
 Honor | joinhonor.com | US | Elder Care | 501-1000 |
 Monzo | monzo.com | GB | Banking | 1001-5000 |
 Altruist | altruist.com | US | Asset Management | 101-250 |
 Algorized | algorized.com | CH | Artificial Intelligence (AI) | 11-50 |
Top Alternatives to Bootstrap
Other UI frameworks technologies sorted by adoption
How We Detect Bootstrap
The Web Radar detects Bootstrap by analyzing HTTP headers, JavaScript variables, HTML source code, cookies, and DNS records across 3M+ websites. Our detection engine uses over 10,000+ pattern rules to ensure accurate identification. Browse all technologies →
Frequently Asked Questions
What is Bootstrap?+
Bootstrap is a free and open-source CSS framework directed at responsive, mobile-first front-end web development. It contains CSS and JavaScript-based design templates for typography, forms, buttons, navigation, and other interface components.
How many companies use Bootstrap?+
517,541 companies in our database use Bootstrap, representing approximately 17.47% of all tracked websites.
What countries use Bootstrap the most?+
The top countries using Bootstrap are US, GB, DE.
Is Bootstrap popular?+
Bootstrap is used by 517,541 companies, making it one of the most widely adopted UI frameworks technology based on adoption across our tracked websites.
Need this data at scale?
Get ready-to-use datasets: companies, technologies, and tech adoption signals across 3M+ websites.
Browse DatasetsData last updated: July 2026