Web Feature Check vs Hotfork

Discover What the Browser Really SupportsDiscover What the Browser Really Supports Web Feature Check helps developers, testers, and tech-savvy users instantly check which web technologies are supported in the current environment - whether it’s a mobile browser, embedded WebView, or custom in-app browser. Whether you're debugging quirks in mobile Safari or ensuring your web app works in limited environments, this tool gives you instant clarity. Key Features Check Runtime Web Features Detect supported JavaScript APIs, HTML5 elements, CSS features, media codecs, and more - all from the environment itself. Test Browser & WebView Capabilities Identify the exact feature set exposed by any browser, including embedded views and in-app browsers. Designed for Mobile Testing Quickly test on real devices - no desktop emulators, no guesswork. Test Categories and Coverage 1. HTML5 & Media Tests core media-related capabilities: - canvas, video, audio, picture, srcset - WebGL / WebGL2 - Picture-in-Picture 2. Audio & Media Processing Covers modern media and audio APIs: - Web Audio, MediaRecorder, ImageCapture - Web Speech API, Media Capabilities, Web MIDI 3. UX & Notifications Checks interaction and user feedback features: - Notifications, Fullscreen, Page Visibility - Web Share, Badging, Wake Lock, Vibration 4. JavaScript APIs Includes advanced JS platform features: - Service Workers, WebAssembly, Fetch, Streams - Clipboard, Crypto, ES6 Modules, Encoding API 5. Performance & Monitoring Observability & reactivity tools: - Intersection / Resize / Mutation / Performance Observers - Reporting API 6. Navigation & Communication Tests communication between contexts: - History & URL APIs - Beacon, BroadcastChannel, Server-sent Events - WebSockets, MessageChannel, XMLHttpRequest 7. Storage & Files Detects client-side data persistence options: - localStorage, sessionStorage, IndexedDB - File System Access, Cache Storage, File API - StorageManager & usage estimates 8. Input & Interaction Covers input modalities and interactivity: - Touch, Pointer, Drag-and-Drop - Gamepad, Pointer Lock, Viewport API - Selection API 9. Connectivity & Device Access Tests direct hardware or network integration: - WebRTC, Web Bluetooth, USB, Serial - Geolocation, DeviceMotion, Orientation, Battery, Network Info 10. Animation & Graphics Graphics rendering and animation pipelines: - Web Animations, WebGPU, WebCodecs 11. CSS & Layout Modern layout and visual CSS features: - CSS Grid, Flexbox, Container Queries, Subgrid - Backdrop-filter, View Transitions, Font Loading, Typed OM 12. Commerce & Payment E-commerce and data collection: - Payment Request API, Contact Picker 13. Security & Permissions Access and auth-related technologies: - Permissions, WebAuthn, Credential Mgmt, Trusted Types 14. Experimental APIs Emerging technologies still in draft or behind flags: - WebXR, Web NFC, Web Locks, WebTransport - Background Sync, Push API, Idle Detection, Compression Streams Scoring & Reporting - The app gives you a feature support score (e.g. 82/120) - Each category shows how many tests passed - Color-coded badges help you quickly interpret support levels (fully supported vs. unsupported) - Optionally, users can explore each feature’s MDN documentation directly from the interface

Never miss an idea again. See the open-source projects the world is building — in real time. Hotfork keeps you on top of the GitHub trends that actually move the industry: trending repositories, top GitHub repos, and the stars, forks and issues behind them — updated continuously, right on your iPhone. WHY HOTFORK Your daily tech radar. Browse the GitHub trending feed for Today, Week, or Month, filter by your favorite programming language (Swift, Rust, Python, TypeScript, Go, and more), and watch the leaderboard of repos gaining the most stars today. The result? You spot the next big open source project early — before it goes viral. WHAT'S INSIDE • TRENDING FEED — Infinite scroll through hundreds of trending repositories, ranked by stars today, with rank numbers, star deltas and language badges on every card. • ENGAGEMENTS — The hottest repos right now, sorted by stars gained today/week/month, with podium colors for the top 3. Know what developers were excited about today. • REPO DETAILS THAT TELL A STORY — Open any repo to see its README description, stars with +/− deltas, forks, open issues, open pull requests, a 12-month star history chart, language breakdown, topics and similar projects. • SMART SEARCH — Find any GitHub repo by name, description or topic, with language filters and debounced instant results. Never lose track of a project again. • SAVED & OFFLINE — Bookmark repositories for later. They stay available offline, with your own private notes attached. • FAST, NATIVE, QUIET — SwiftUI, iOS 18 design, smart caching (feeds load in milliseconds), monospace terminal-style numbers, dark-mode-first. No accounts, no trackers, nothing to configure. BUILT FOR Developers, open-source fans, tech investors, engineering managers, students and everyone who wants to know what's trending in code — in one tap. HOW IT WORKS 1. Open the app — the today's trending feed is already loaded. 2. Scroll. Star the repos you like. Save them for later. 3. Tap any repo to dig into its history, stars and similar projects. Privacy. Minimal. No account. No tracking. No nonsense. Just the best of GitHub, watching for you. Download Hotfork — see what developers are shipping — free.