Tracking the status of ServiceWorker in browsers
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Is Service Worker Ready Yet?

Build Status devDependency Status

Tracks the features of service worker supported in browsers. View the site.

Run locally

To install, run the following in the root of your cloned copy of the repo:

npm install

To serve the site on localhost:8000:

npm run serve

To build the site:

npm run build


To update data, edit data.json, which is in this format:


  "features": [


        "name", "Feature name or <code>interface.whatever</code>",
        "description", "Brief feature details, html <strong>allowed</strong>",
        "chrome": {
          // 1 = supported
          // 0.5 = supported with caveats (eg flags, nightlies, special builds)
          // 0 = not supported
          "supported": 1
          // (optional) browser version
          "minVersion": 35,
          // (optional) alternate icon, currently supports:
          // "chrome-canary"
          // "firefox-nightly"
          // "webkit"
          // "opera-developer"
          "icon": "canary",
          // (optional) details, cavats, links to tickets, flags etc
          "details": [
            "Requires <a href=\"\">Chrome Canary</a>"
        "firefox": {},
        "opera": {},
        "safari": {},
        // (optional) details that don't apply to a single browser
        "details": [
          "<strong>Chrome & Firefox</strong>: sitting in a tree K-I-S-S-I-N-G"

      // ...