Built With for Safari

Built With is a Safari extension that instantly reveals the technologies behind any website you visit. Whether you're a developer exploring the competition, a designer researching tools, or simply curious about how websites are built, Built With gives you the insights you need in seconds.

Discover the Stack. Understand the Web.
With a single click, Built With scans and identifies over 80 technologies used on any webpage—from popular frameworks like React and Vue to analytics tools, content management systems, fonts, hosting providers, and more.

KEY FEATURES:

• Instant Technology Detection

See what frameworks, libraries, and tools power any website. One click reveals everything from React and Angular to WordPress and Shopify.

• Comprehensive Coverage

Detect 80+ technologies across multiple categories: JavaScript frameworks, CSS libraries, fonts, CMS platforms, e-commerce solutions, analytics tools, CDNs, customer support widgets, error tracking services, and security tools.

• Clean, Native Design

Built specifically for Safari with a minimal, platform-native interface that follows macOS design principles. No clutter, no distractions—just the information you need.

• Smart Categorization

Technologies are automatically organized into clear categories: Frameworks & Libraries, Fonts, CMS, Commerce, Analytics, Hosting & CDNs, Customer Support, Error Tracking, and Security.

• Works on Any Website

Automatically scans every page you visit. No manual setup, no configuration—just browse and explore.

• Privacy-Focused

All detection happens locally in your browser. No data is sent to external servers. Your browsing stays private.

PERFECT FOR:

Developers: Research competitor tech stacks, discover new tools, and learn from successful websites.

Designers: Find out what design systems, fonts, and UI frameworks are being used across the web.

Students: Learn by exploring real-world implementations of technologies you're studying.

Tech Enthusiasts: Satisfy your curiosity about how your favorite websites are built.

Recruiters: Understand the technical requirements for positions by seeing what technologies companies actually use.

HOW IT WORKS:

Built With uses advanced detection methods to identify technologies:

• Scans for JavaScript global variables and frameworks
• Analyzes DOM structure and HTML attributes
• Checks loaded script sources and CDN references
• Examines meta tags and generator information
• Detects CSS frameworks and design systems

All detection happens instantly as pages load, with results ready the moment you click the extension icon.

SUPPORTED TECHNOLOGIES:

Frameworks: React, Vue.js, Angular, Svelte, Next.js, Nuxt.js, Remix, Gatsby, Astro, SolidJS, Preact, Alpine.js, Ember.js, Backbone.js, htmx, and more

CSS: Bootstrap, Tailwind CSS, Material-UI, Ant Design, Chakra UI, Bulma, Foundation, Semantic UI

Fonts: Google Fonts, Adobe Fonts, Font Awesome, Material Icons

CMS: WordPress, Drupal, Joomla, Wix, Squarespace, Webflow, Ghost, Contentful, Strapi

E-Commerce: Shopify, WooCommerce, Magento, BigCommerce, Stripe, PayPal, Square

Analytics: Google Analytics, Google Tag Manager, Facebook Pixel, Hotjar, Mixpanel, Segment, Amplitude, Plausible, Matomo

Hosting: Cloudflare, Amazon CloudFront, Fastly, Vercel, Netlify, GitHub Pages, Amazon S3, Google Cloud

Visualization: Three.js, D3.js, Chart.js, GSAP

Utilities: Lodash, Moment.js, Webpack, Vite, Parcel

Customer Support: Intercom, Zendesk, Drift, Crisp, LiveChat, Tawk.to

Error Tracking: Sentry, LogRocket, Bugsnag, Rollbar

Security: reCAPTCHA, Cloudflare Turnstile, hCaptcha

Built With helps you understand the modern web, one website at a time. Download now and start exploring the technologies that power the internet.