What is Bootstrap?

UI Library

Bootstrap is an UI or JavaScript library: Popular CSS framework for responsive design. Tech Stack Detector identifies Bootstrap on any website by analysing the HTML source, stylesheet and link tags and script URLs.

Bootstrap is an UI or JavaScript library (UI Library), detected on 119 websites in our index. See websites using Bootstrap ↓

CategoryUI Library
Official sitegetbootstrap.com
Detection signals3 signals
In our index119 websites

How Tech Stack Detector detects Bootstrap

Bootstrap is matched from these signals during a single, ordinary page request. Each one contributes to the confidence score shown on a scan.

  • Html PatternBootstrap class patterns
  • Link HrefBootstrap CSS stylesheet
  • Script SrcBootstrap JS bundle

Websites using Bootstrap

Recently scanned websites where we detected Bootstrap. Open one to see its full technology stack.

neevoque.com10 technologies · 2 min ago yenopay.com9 technologies · 1 h ago levree.com10 technologies · 2 h ago muraddrivingschool.co.uk5 technologies · 3 h ago firststudio.app8 technologies · 3 h ago cocoonsangli.in8 technologies · 7 h ago www.terapirehberi.com8 technologies · 11 h ago chittortech.in13 technologies · 12 h ago findmynganya.app3 technologies · 12 h ago www.greendotbd.com11 technologies · 13 h ago hydraai.world7 technologies · 13 h ago tegcarpetfurniturecleaning.com4 technologies · 13 h ago lyvelending.com12 technologies · 14 h ago syaratc.online13 technologies · 14 h ago prezzicarburante.app6 technologies · 16 h ago newcommerce.com.bd10 technologies · 21 h ago rioaguaviva.com4 technologies · 23 h ago superzuby.com5 technologies · 1 d ago

View all websites using Bootstrap

Often used with Bootstrap

Technologies most frequently detected alongside Bootstrap across scanned websites.

Google FontsFont56 sitesPHPLanguage54 sitesCloudflareCDN44 sitesjQueryUI Library39 sitesFont AwesomeFont33 sitesGoogle Tag ManagerAnalytics29 sitesProgressive Web AppOther27 sitesGoogle AnalyticsAnalytics24 sites

Alternatives to Bootstrap

Other UI Library technologies Tech Stack Detector detects: popular alternatives and related tools, most-detected first.

Tailwind CSSUI Library170 sitesjQueryUI Library78 sitesSwiperUI Library40 sitesGSAPUI Library14 sitesEmotionUI Library9 sitesstyled-componentsUI Library9 sitesAlpine.jsUI Library8 sitesThree.jsUI Library6 sitesChart.jsUI Library3 sitesVuetifyUI Library3 sitesAnt DesignUI Library2 sitesBulmaUI Library1 site

Compare Bootstrap

Side-by-side comparisons of Bootstrap with other UI Library technologies.

Bootstrap vs Tailwind CSS Bootstrap vs jQuery Bootstrap vs Swiper Bootstrap vs GSAP Bootstrap vs Emotion

Popular technologies

The technologies most often detected across all websites scanned on Tech Stack Detector.

CloudflareCDN247 sitesGoogle FontsFont215 sitesTailwind CSSUI Library170 sitesReactFramework165 sitesProgressive Web AppOther147 sitesPHPLanguage139 sitesNode.jsLanguage136 sitesNext.jsFramework124 sitesGoogle WorkspaceOther110 sitesGoogle Tag ManagerAnalytics88 sites

Frequently asked questions

What is Bootstrap?

Bootstrap is an UI or JavaScript library: Popular CSS framework for responsive design. Tech Stack Detector identifies Bootstrap on any website by analysing the HTML source, stylesheet and link tags and script URLs. Its official website is https://getbootstrap.com.

How can I tell if a website uses Bootstrap?

Enter any URL into Tech Stack Detector and it reports whether Bootstrap is present, with a confidence score and the exact evidence it matched. Detection is based on the HTML source, stylesheet and link tags and script URLs. No login or crawling of the site is required.

How many websites use Bootstrap?

Bootstrap has been detected on 119 websites in the public Tech Stack Detector scan index. This reflects sites that visitors have analysed here, not global market share.

What are some alternatives to Bootstrap?

Other UI Library technologies Tech Stack Detector detects include Tailwind CSS, jQuery, Swiper, GSAP, styled-components and Emotion. You can compare any of them side by side with Bootstrap.

Data last updated October 20, 2026 · based on 618 recently scanned websites.