Web Feature Check
開發人員工具
免費 · 專為 iPad 設計
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
評分與評論
此 App 尚未收到足夠的評分或評論，無法顯示概覽。
Minor improvements to the point calculation.
開發者Transporter Lab GmbH指出App的隱私權實務可能包含下方描述的資料處理。如需更多資訊，請參閱 開發者的隱私權政策 。
不收集資料
開發者不會從此 App 收集任何資料。
輔助使用
開發者尚未表示此 App 支援的輔助使用功能。 進一步瞭解
資訊
- 供應商
- Transporter Lab GmbH
- 大小
- 11.2 MB
- 類別
- 開發人員工具
- 相容性
須使用 iOS 13.0 或以上版本。
- iPhone
須使用 iOS 13.0 或以上版本。 - iPad
須使用 iPadOS 13.0 或以上版本。 - iPod touch
須使用 iOS 13.0 或以上版本。 - Mac
須使用 macOS 11.0 或以上版本及配備 Apple M1 或以上版本晶片的 Mac。 - Apple Vision
須使用 visionOS 1.0 或以上版本。
- 語言
- 英文
- 年齡分級
4+
- 4+
- 版權
- © 2025 Transporter Lab GmbH