What is Ruby?

Language

Ruby is a programming language: Dynamic, reflective, object-oriented language. Tech Stack Detector identifies Ruby on any website by analysing HTTP response headers.

Ruby is a programming language (Language), detected on 6 websites in our index. See websites using Ruby ↓

CategoryLanguage
Official siteruby-lang.org
Detection signals2 signals
In our index6 websites

How Tech Stack Detector detects Ruby

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

  • HeaderRuby application server detected
  • HeaderX-Powered-By: Phusion Passenger

Websites using Ruby

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

neevoque.com10 technologies · 1 min ago lyvelending.com12 technologies · 14 h ago newcommerce.com.bd10 technologies · 21 h ago github.com6 technologies · 3 d ago qube-markets.com10 technologies · 4 d ago 21store.om8 technologies · 6 d ago www.airbnb.com9 technologies · 9 d ago

View all websites using Ruby

Often used with Ruby

Technologies most frequently detected alongside Ruby across scanned websites.

Ruby on RailsFramework6 sitesLaravelFramework4 sitesPHPLanguage4 sitesProgressive Web AppOther4 sitesjQueryUI Library3 sitesBootstrapUI Library2 sitesGoogle AnalyticsAnalytics2 sitesGoogle MapsOther2 sites

Alternatives to Ruby

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

PHPLanguage139 sitesNode.jsLanguage136 sitesJavaLanguage7 sitesPythonLanguage7 sitesGoLanguage

Compare Ruby

Side-by-side comparisons of Ruby with other Language technologies.

Ruby vs PHP Ruby vs Node.js Ruby vs Java Ruby vs Python Ruby vs Go

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 sitesBootstrapUI Library119 sitesGoogle WorkspaceOther110 sites

Frequently asked questions

What is Ruby?

Ruby is a programming language: Dynamic, reflective, object-oriented language. Tech Stack Detector identifies Ruby on any website by analysing HTTP response headers. Its official website is https://ruby-lang.org.

How can I tell if a website uses Ruby?

Enter any URL into Tech Stack Detector and it reports whether Ruby is present, with a confidence score and the exact evidence it matched. Detection is based on HTTP response headers. No login or crawling of the site is required.

How many websites use Ruby?

Ruby has been detected on 6 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 Ruby?

Other Language technologies Tech Stack Detector detects include PHP, Node.js, Python, Java and Go. You can compare any of them side by side with Ruby.

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