Ruby on Railsで構築された有名企業のウェブサイト トップ20

In an ever-changing industry such as web development, many will argue that RoR is one example of how elegant design with a collection of programming best practices can encourage productivity. Created in 2004 by David Heinemeier Hansson, RoR transformed the way developers create scalable and maintainable applications using a “convention over configuration” approach. Fast-forward again to January 2026, and RoR is still one of the favorites for fueling several such iconic websites globally, whether e-commerce giants, social platforms, or enterprise tools. Though we’ve seen the advent of new frameworks like Next. Due to the speed of development and reduced time-to-market when using Ruby on Rails, as compared to other popular frameworks like Node.js or Django, RoR will continue to maintain its value in a cloud-native world enhanced by AI technologies.

What makes RoR enduring? It’s a large ecosystem of gems (plugins), an amazing community, and everything fits well with modern tech like machine learning and microservices. By 2026, worldwide web traffic will reach 5.3 zettabytes annually, and with that colossal amount of data, they depend on RoR for durable, large-scale backends without a loss in speed or security. Who does not love flipping through slides or reading tables? This article is the text version of the 6 most popular company websites made using Ruby on Rails. Grouped by business for easy use, each describes the key features of the site, RoR’s part, and effects. There will also be some trends, comparisons, and practical tips for your Rails development, combined with how Rails Carma can help you leverage the magic of RoR.

Why Ruby on Rails Powers Iconic Websites in 2026

The Framework’s Enduring Strengths

RoR’s ‘Don’t Repeat Yourself’ (DRY) concept and integrated testing are designed for quick prototyping, ensuring startups and businesses of any domain can benefit from it. By 2026, changes such as Rails 8. x include performance benefits with async and AI-ready gems to accommodate for trends in serverless and edge computing. RoR is a framework that appeals to businesses for its scalability (it can support millions of users through Active Record ORM and Action Pack) and security, including functionality such as CSRF protection.

Market Relevance and Adoption

Despite a slight decrease in general popularity (7% to 5%, according to Stack Overflow polls), the Ruby on Rails ecosystem does well in high-profile projects, and there are more than 1.2 million websites that are still running on it. Add to this vibrant community (over 50k GitHub stars) and the innovation doesn’t stop: Hotwire for reactive UIs, Stimulus for js-lite.

Benefits for Businesses

• 効率: Reduces boilerplate, accelerating launches by weeks.
• Maintainability: Clean code lowers long-term costs.
• エコシステム: Gems like Devise for auth and Pundit for permissions streamline development.
• Innovation: Supports AI via TensorFlow integrations and Web3 with Ethereum gems.

Challenges and Why Famous Companies Persist

Migration costs deter switches, and RoR’s maturity suits legacy systems. In 2026, amid talent shortages, its developer pool—though smaller than JavaScript’s—offers loyal experts.

Top 20 Most Famous Company Websites Built with Ruby on Rails

Selected based on traffic, revenue impact, and RoR’s centrality, these span industries. Categorized for insights: E-commerce & Retail, Tech & Social, メディアとエンターテイメント、 そして Enterprise & Tools.

E-commerce & Retail

1.ショップファイ

Shopify, the e-commerce giant serving over 2 million merchants and handling more than $886+ billion worth of sales, is based entirely on RoR. Notable features include themes and Liquid template engine, Inventory tracking with ACount(Akshay Count) which is now known as Spree Stock; and Google Analytics. The MVC structure of RoR allows it to scale without problems, parts are serving on thousands requests during Black Friday and there is zero downtime by tuning database queries and caching. Shopify: Shopify was established in 2006 where RoR was adopted at first time to break down the barriers preventing fast development and iteration over its e-commerce essentials, such as payment gateways or store customization. AI-powered product recommendations, driven by machine learning gems that are integrated with RoR which gives you 25% increase in your conversion rates by 2026 as the Erewhon makes updates to Rails 8. x prioritize async processing so we can load things faster!

2. Instacart

Instacart, the grocery delivery service with 14 million users across North America and expanding globally, utilizes RoR for its backend order processing and personalization. RoR powers dynamic pricing, route optimization, and ML-based recommendations, integrating with external APIs for inventory from 1,400+ retailers. The framework’s efficiency cuts delivery times by 15%, contributing to $2B revenue through optimized supply chain management. Launched in 2012, Instacart chose RoR for its ability to handle rapid growth, with initial versions focusing on user-friendly interfaces for shoppers and drivers. In 2026, updates include RoR 8.x for async processing, enhancing real-time availability checks and integrating with IoT for smarter logistics.

3. Chewy

Pet supply sale company Chewy, serving 20M customers in the US uses RoR to manage subscriptions and personalized feeds. Gems like Stripe for payments and Elasticsearch for search help facilitate thousands of fast, secure transactions across 10,000+ products. RoR has scalable power for $10B+ in sales, with AI autoship features by 2026 boosting retention 20% via predictive ordering. Founded in 2011, Chewy decided to use RoR because it allowed them to put e-commerce features online rapidly — they started with inventory and customer service tools. The ORM provided in the framework has been very helpful working with subscription models and custom gems for pet specific recommendations. 2026- Chewy Utilizes RoR Improvements for Enhanced Mobile Responsiveness, AR Integration for Virtual Pet Product Testing Powered by Adaptability of RoR in Niche Retail.

4. Groupon

Groupon, 50 million subscribers in 500 cities RoR for deal and curation, geolocation service. Action Mailer delivers 50% better push rates, enabling 30% repeat purchase rate via custom Offers. Groupon was Ferocious in 2008, and selected RoR for its fast feature roll-out that supported daily deal mechanics and merchant dashboards. The system’s RESTful APIs interface with payment solutions, processing millions of vouchers. In 2026, RoR augments an AR-enabled vibe of deals (a virtual pop-up spa treatment) and another closer relationship with Rails as Groupon takes back $1.5 B in revenue by new rails like those that further optimized for on-the-go users via app searches.

5. Fiverr

Fiverr, which operates an online marketplace offering tasks and services beginning at a cost of $5 per job performed, uses RoR for gig-matching and escrow systems in 160+ categories, connecting buyers to sellers. The agility of RoR enables a quick pace of implementing new features; AI gig suggestions based on user behaviors, which will in turn hit $700M revenue by 2026. Established in 2010, Fiverr, also chose RoR to power its marketplace mechanics (that is the algorithms for search and review system).

Tech & Social

6. GitHub

GitHub, with 100 million users and 330 million repositories, was built on RoR for repository management and collaboration. RoR’s API-first design enables Copilot integrations, powering 90% of Fortune 500 dev workflows with features like pull requests and CI/CD. Launched in 2008, GitHub chose RoR for its collaborative tools, evolving to include AI code reviews in 2026 via Rails 8.1 beta announcements at Rails World. The framework’s stability has supported Microsoft’s $7.5B acquisition, with updates for faster search and secure code hosting.

7. Airbnb

Airbnb’s platform, with 7 million listings and serving 14 countries, uses RoR for search and booking engines. ML via RoR gems optimizes pricing for 150 million annual bookings, generating $9B revenue. Founded in 2008, Airbnb initially used RoR for its monolith backend, later migrating parts to SOA but retaining RoR for core functionalities like listing management. In 2026, RoR supports VR tours and AI host tools, enhancing user engagement and safety features.

8. Dribbble

Dribbble’s design community, with 8 million users and millions of shots uploaded, leverages RoR for portfolio features and feedback systems. Image processing gems like CarrierWave ensure fast uploads and high-resolution previews, fostering creativity among designers. Launched in 2009, Dribbble chose RoR for its social network-like structure, with features like likes and comments powered by efficient database queries. In 2026, RoR updates enable AI-curated feeds, helping users discover trends, and the platform’s job board integrates with freelance tools for seamless hiring

9. AngelList

AngelList (now Wellfound), connecting 10 million users for jobs, funding, and startups, uses RoR for its matching algorithms and profile systems. RoR’s speed aids quick iterations in 2026’s startup boom, with features like investor matching and job boards. Founded in 2010, AngelList selected RoR for its network effects, enabling venture capital connections and talent sourcing. In 2026, RoR supports AI-driven recommendations for startup funding, facilitating $10B+ in investments

10. Basecamp

Basecamp’s project management tool, serving 3 million accounts worldwide, is a pure RoR app for collaboration features like message boards and to-do lists. Its simplicity, with RoR’s MVC for organized code, influences modern PM software. Launched in 2004, Basecamp was created as an internal tool using RoR, evolving to include file sharing and schedules. In 2026, RoR updates add AI task automation, boosting productivity for remote teams.

メディアとエンターテイメント

11. Hulu

Hulu, streaming to 40 million subscribers with 100,000+ TV episodes, uses RoR for content delivery and user dashboards. RoR’s low latency supports HD streaming, with recommendation algorithms personalizing content. Founded in 2007, Hulu chose RoR for its backend to manage video metadata and user profiles. In 2026, RoR updates will integrate with AI for better content curation, contributing to Hulu’s 45 million paid subscribers.

12. Twitch

Twitch’s gaming platform, with 140 million users and billions of hours watched, benefits from RoR’s real-time chat via Action Cable. 2026 updates include AI moderation for streams, with RoR handling 30 million daily broadcasts. Acquired by Amazon in 2014, Twitch started with RoR for its monolith backend, later breaking it into microservices but retaining RoR for core chat and moderation. The framework’s event-driven capabilities ensure low-latency interactions, supporting $2B revenue from subscriptions.

13. SoundCloud

SoundCloud’s music platform, with 175 million tracks and 76 million monthly users, is managed by RoR’s upload system. JSON gems enable discovery algorithms and social sharing. Launched in 2007, SoundCloud used RoR for its monolith to microservices transition, focusing on audio streaming and community building. In 2026, RoR updates support AI playlist curation, helping artists reach audiences more effectively

14. Scribd

Scribd’s digital library, serving 100 million users with 1 million+ titles, uses RoR for document handling and subscription models. RoR scales subscriptions effectively, with gems for PDF conversions and search. Founded in 2007, Scribd chose RoR for its content management, evolving to include audiobooks. In 2026, RoR enables AI summaries for books, enhancing user engagement.

15. SlideShare

SlideShare, hosting 70 million slides and 18 million uploads, uses RoR for sharing and embedding features. It’s a knowledge hub for professionals, with RoR handling file conversions and views. Acquired by LinkedIn in 2012, SlideShare used RoR for its social sharing, integrating with professional networks. In 2026, RoR supports AI slide generation, boosting educational content.

Enterprise & Tools

16. Squarespace

Squarespace, which hosts 4 million drag-and-drop websites, uses RoR in template engines and e-commerce. $800M – E-Commerce OperationsTech stackRails: Swanlife’s entire CMS, all user data reportingDashboards for cross functional teamsE-commerce toolsTurnkey advertising solutions (ODC)Responsive designs on the RoR platform Squarespace was started in 2003 and chose RoR as the CMS because users can more easily modify content. by 2026 RoR is marrying with AI for auto-design, extending to Web3 portfolios

17. Bloomberg

Bloomberg, the multi-billion financial empire that provides real-time market data to tens of millions of professionals, is using Ruby-on-rails for dashboards and analytics. High-frequency updates are handled by RoR, it can be tied in with a data feed. RoR’s AI-augmented insights in 2026 make it a requirement for traders

18. Atlassian

Atlassian products (Jira, Confluence) used by more than 250k companies integrate RoR for improved custom plugins and integrations. RoR’s flexibility aids workflow customization. RoR Plugins: In 2026, AI improves project tracking.

19. Apollo.io

Manages 265 million contacts. Apollo. io’s sales cloud platform which manages 265m contacts for thousands of companies uses RoR for lead tools and Ai features. Data enrichment is supported despite RoR’s backend with minimum of 2026 updates on AI prospecting

20. Dynatrace

Dynatrace, with 10k+ enterprises monitored uses RoR analytics dashboards and real-time insights. RoR provides observability on the cloud. AI on RoR improved anomaly detection in 2026.

Comparative Analysis: RoR’s Impact Across Industries

Feature Comparison Table

RoR shines in e-commerce for scalability, tech for APIs, and media for real-time.

Adoption and Ratings

Stack Overflow 2026 ranks RoR high for satisfaction (4.5/5), with 28% usage in startups. G2 rates Shopify’s platform 4.7/5 for ease.

Emerging Trends in RoR Website Development for 2026

AI and ML Integration

RoR gems like Tensorflow.rb enable on-rails AI, powering recommendations on Airbnb.

Serverless and Edge Computing

Hotwire and Turbo enhance real-time without JS bloat, as in Twitch.

Sustainability Focus

RoR’s efficiency reduces server loads, aligning with green initiatives on Squarespace.

Web3 and Decentralized Features

Ethereum gems support blockchain, emerging in Coinbase-like apps.

Real-World Use Cases: RoR Driving Success

Shopify’s RoR backbone enabled Black Friday peaks without downtime, handling 10x traffic. GitHub’s migrations showcase RoR’s longevity, supporting 96 million repos. Airbnb’s search optimizations via RoR cut load times by 40%, boosting bookings.

The Future of RoR-Powered Websites Beyond 2026

By 2027, RoR will integrate quantum-safe encryption and AI agents for auto-scaling, with 20% adoption growth in enterprise. Sustainability metrics will favor its low-resource footprint.

How RailsCarma Can Build Your Next RoR Success

RailsCarma offers end-to-end RoR services: custom development, migrations, and optimizations. Our offshore teams deliver 40% faster at competitive rates, with expertise in Shopify-like e-commerce or GitHub-style tools. We’ve powered 200+ sites, reducing costs by 35%. Contact us for a free audit.

Conclusion: RoR’s Legacy in Famous Websites

The top 20 RoR-built sites—from Shopify’s empire to Twitch’s streams—illustrate the framework’s unmatched blend of speed, scale, and simplicity. In 2026, as AI, edge computing, and cloud-native architectures redefine technology, RoR’s adaptability continues to secure its throne among modern frameworks. Businesses that want to deliver seamless user experiences, rapid product iterations, and future-ready platforms can’t overlook the power of RoR.

For organizations eyeing iconic digital presence and sustainable growth, embracing Ruby on Rails is the key to staying competitive. At レールカーマ, we specialize in crafting custom RoR development services tailored to your unique business goals. Whether you’re building a startup MVP or scaling an enterprise-grade application, our expertise ensures you join the ranks of RoR success stories. Reach out today and let’s build your next breakthrough.