| Server Timingserver-timing | JS API | W3C 초안 | 94.6% | 6/7 |
| Shared Web Workerssharedworkers | JS API | WHATWG 표준 | 93.5% | 6/7 |
| Payment Request APIpayment-request | JS API | W3C 권고 | 92.7% | 6/7 |
| Credential Management APIcredential-management | JS API | W3C 초안 | 91.3% | 5/7 |
| Web Share APIweb-share | JS API | W3C 후보 권고 | 89.7% | 6/7 |
| WebGPUwebgpu | JS API | W3C 초안 | 85.7% | 5/7 |
| Selection APIselection-api | JS API | W3C 초안 | 84.0% | 6/7 |
| Push APIpush-api | JS API | W3C 초안 | 83.0% | 6/7 |
| Do Not Track APIdo-not-track | JS API | 비공식 | 81.5% | 5/7 |
| Web Notificationsnotifications | JS API | WHATWG 표준 | 81.4% | 5/7 |
| requestIdleCallbackrequestidlecallback | JS API | W3C 초안 | 81.2% | 5/7 |
| Web MIDI APImidi | JS API | W3C 초안 | 80.9% | 5/7 |
| Streamsstreams | JS API | WHATWG 표준 | 80.7% | 5/7 |
| Vibration APIvibration | JS API | W3C 권고 | 79.3% | 4/7 |
| Battery Status APIbattery-status | JS API | W3C 후보 권고 | 78.5% | 4/7 |
| Background Sync APIbackground-sync | JS API | 비공식 | 78.3% | 4/7 |
| Web Bluetoothweb-bluetooth | JS API | 비공식 | 78.0% | 4/7 |
| WebUSBwebusb | JS API | 비공식 | 77.9% | 4/7 |
| Feature Policyfeature-policy | JS API | 비공식 | 77.8% | 4/7 |
| Accelerometeraccelerometer | JS API | W3C 후보 권고 | 76.7% | 3/7 |
| Gyroscopegyroscope | JS API | W3C 후보 권고 | 76.7% | 3/7 |
| Orientation Sensororientation-sensor | JS API | W3C 후보 권고 | 76.7% | 3/7 |
| Web Serial APIweb-serial | JS API | 비공식 | 76.2% | 4/7 |
| Picture-in-Picturepicture-in-picture | JS API | W3C 초안 | 48.7% | 5/7 |
| Web NFCwebnfc | JS API | 비공식 | 44.0% | 1/7 |
| Pointer Lock APIpointerlock | JS API | W3C 권고 | 36.8% | 4/7 |
| WebHID APIwebhid | JS API | 비공식 | 30.8% | 2/7 |
| File System Access APInative-filesystem-api | JS API | 비공식 | 30.5% | 2/7 |
| FIDO U2F APIu2f | JS API | 비공식 | 17.4% | 2/7 |
| Synchronous Clipboard APIclipboard | JS API | W3C 초안 | 15.6% | 2/7 |
| Web SQL Databasesql-storage | JS API | 비공식 | 7.2% | 1/7 |
| Proximity APIproximity | JS API | W3C 후보 권고 | 2.9% | 1/7 |
| WebVR APIwebvr | JS API | 비공식 | 2.5% | 1/7 |
| Base64 encoding and decodingatob-btoa | JS API | WHATWG 표준 | 97.3% | 7/7 |
| Geolocationgeolocation | JS API | W3C 권고 | 97.3% | 7/7 |
| Web Storage - name/value pairsnamevalue-storage | JS API | WHATWG 표준 | 97.3% | 7/7 |
| Blob URLsbloburls | JS API | W3C 초안 | 97.3% | 7/7 |
| Blob constructingblobbuilder | JS API | W3C 초안 | 97.3% | 7/7 |
| Channel messagingchannel-messaging | JS API | WHATWG 표준 | 97.3% | 7/7 |
| Cross-Origin Resource Sharingcors | JS API | WHATWG 표준 | 97.3% | 7/7 |
| Document.execCommand()document-execcommand | JS API | 비공식 | 97.3% | 7/7 |
| Element.getBoundingClientRect()getboundingclientrect | JS API | W3C 초안 | 97.3% | 7/7 |
| Element.insertAdjacentHTML()insertadjacenthtml | JS API | W3C 후보 권고 | 97.3% | 7/7 |
| FileReaderSyncfilereadersync | JS API | W3C 초안 | 97.3% | 7/7 |
| High Resolution Time APIhigh-resolution-time | JS API | W3C 권고 | 97.3% | 7/7 |
| Online/offline statusonline-status | JS API | WHATWG 표준 | 97.3% | 7/7 |
| Page Visibilitypagevisibility | JS API | W3C 권고 | 97.3% | 7/7 |
| Web Socketswebsockets | JS API | WHATWG 표준 | 97.3% | 7/7 |
| Web Workerswebworkers | JS API | WHATWG 표준 | 97.3% | 7/7 |
| console.time and console.timeEndconsole-time | JS API | WHATWG 표준 | 97.3% | 7/7 |
| crypto.getRandomValues()getrandomvalues | JS API | W3C 권고 | 97.3% | 7/7 |
| requestAnimationFramerequestanimationframe | JS API | WHATWG 표준 | 97.3% | 7/7 |
| Resource Timing (basic support)resource-timing | JS API | W3C 후보 권고 | 97.2% | 7/7 |
| User Timing APIuser-timing | JS API | W3C 권고 | 97.2% | 7/7 |
| Cross-document messagingx-doc-messaging | JS API | WHATWG 표준 | 97.0% | 7/7 |
| FileReader APIfilereader | JS API | W3C 초안 | 97.0% | 7/7 |
| Server-sent eventseventsource | JS API | WHATWG 표준 | 97.0% | 7/7 |
| document.currentScriptdocument-currentscript | JS API | WHATWG 표준 | 97.0% | 7/7 |
| File APIfileapi | JS API | W3C 초안 | 97.0% | 7/7 |
| TextEncoder & TextDecodertextencoder | JS API | WHATWG 표준 | 97.0% | 7/7 |
| URL APIurl | JS API | WHATWG 표준 | 97.0% | 7/7 |
| Web Audio APIaudio-api | JS API | W3C 권고 | 97.0% | 7/7 |
| Web Cryptographycryptography | JS API | W3C 권고 | 97.0% | 7/7 |
| WebRTC Peer-to-peer connectionsrtcpeerconnection | JS API | W3C 초안 | 97.0% | 7/7 |
| Constraint Validation APIconstraint-validation | JS API | WHATWG 표준 | 97.0% | 7/7 |
| IndexedDBindexeddb | JS API | W3C 권고 | 97.0% | 7/7 |
| Gamepad APIgamepad | JS API | W3C 초안 | 97.0% | 7/7 |
| Fetchfetch | JS API | WHATWG 표준 | 97.0% | 7/7 |
| Beacon APIbeacon | JS API | W3C 후보 권고 | 96.9% | 7/7 |
| Encrypted Media Extensionseme | JS API | W3C 권고 | 96.8% | 7/7 |
| URLSearchParamsurlsearchparams | JS API | WHATWG 표준 | 96.8% | 7/7 |
| navigator.hardwareConcurrencyhardwareconcurrency | JS API | WHATWG 표준 | 96.8% | 7/7 |
| Service Workersserviceworkers | JS API | W3C 후보 권고 | 96.8% | 7/7 |
| getUserMedia/Stream APIstream | JS API | W3C 후보 권고 | 96.7% | 7/7 |
| Basic console logging functionsconsole-basic | JS API | WHATWG 표준 | 96.6% | 7/7 |
| IndexedDB 2.0indexeddb2 | JS API | W3C 권고 | 96.6% | 7/7 |
| BroadcastChannelbroadcastchannel | JS API | WHATWG 표준 | 96.5% | 7/7 |
| AbortController & AbortSignalabortcontroller | JS API | WHATWG 표준 | 96.5% | 7/7 |
| Permissions APIpermissions-api | JS API | W3C 초안 | 96.4% | 7/7 |
| Screen Orientationscreen-orientation | JS API | W3C 초안 | 96.4% | 7/7 |
| DeviceOrientation & DeviceMotion eventsdeviceorientation | JS API | W3C 후보 권고 | 96.2% | 7/7 |
| Asynchronous Clipboard APIasync-clipboard | JS API | W3C 초안 | 95.6% | 7/7 |
| createImageBitmapcreateimagebitmap | JS API | WHATWG 표준 | 95.6% | 7/7 |
| Speech Synthesis APIspeech-synthesis | JS API | 비공식 | 95.4% | 7/7 |
| Screen Wake Lock APIwake-lock | JS API | W3C 후보 권고 | 94.9% | 7/7 |
| Passkeyspasskeys | JS API | 기타 | 93.9% | 7/7 |
| Cookie Store APIcookie-store-api | JS API | 비공식 | 93.4% | 7/7 |
| WebTransportwebtransport | JS API | W3C 초안 | 91.3% | 7/7 |
| WebCodecs APIwebcodecs | JS API | W3C 초안 | 91.0% | 7/7 |
| Filesystem & FileWriter APIfilesystem | JS API | 비공식 | 78.3% | 0/7 |
| Ambient Light Sensorambient-light | JS API | W3C 후보 권고 | 0.4% | 0/7 |
| Efficient Script Yielding: setImmediate()setimmediate | JS API | 비공식 | 0.2% | 0/7 |
| Input Method Editor APIime | JS API | 비공식 | 0.2% | 0/7 |
| Magnetometermagnetometer | JS API | W3C 후보 권고 | 0.0% | 0/7 |
| Object RTC (ORTC) API for WebRTCobjectrtc | JS API | 기타 | 0.0% | 0/7 |
| Permissions Policypermissions-policy | JS API | W3C 초안 | 0.0% | 0/7 |
| Speech Recognition APIspeech-recognition | JS API | 비공식 | 0.0% | 0/7 |
| WebXR Device APIwebxr | JS API | W3C 후보 권고 | 0.0% | 0/7 |