experiments.json

{
  "sample": {
    "name": "Sample Experiment",
    "active": false,
    "description": "This is just a sample experiment. It will not be included since active is false",
    "control": {
      "value": "#000",
      "description": "This is black"
    },
    "variant": {
      "id": "do-not-delete-this-is-a-sample",
      "value": "#FFF",
      "threshold": 0.5,
      "description": "This is white"
    }
  },
  "recommendedHighlight": {
    "name": "Recommended Highlights",
    "active": false,
    "description": "Show a recommendation from Pocket to the user",
    "control": {
      "value": false,
      "description": "Do not show a recommendation"
    },
    "variant": {
      "id": "exp-002-recommended-highlights",
      "value": true,
      "threshold": 0.3,
      "description": "Show a recommendation in the third highlights spot"
    }
  },
  "weightedHighlights": {
    "name": "Weighted Highlights",
    "active": false,
    "description": "Use weighted highlights instead of the query based ones.",
    "control": {
      "value": false,
      "description": "Use the query based system."
    },
    "variant": {
      "id": "exp-003-weighted-highlights",
      "value": true,
      "threshold": 0.4,
      "description": "Use the score based highlights."
    }
  },
  "localMetadata": {
    "name": "Local Page Scraper",
    "active": false,
    "description": "Locally compute metadata for pages",
    "control": {
      "value": false,
      "description": "Do not compute metadata locally"
    },
    "variant": {
      "id": "exp-004-local-metadata",
      "value": true,
      "threshold": 0.2,
      "description": "Locally compute metadata"
    }
  },
  "metadataService": {
    "name": "Use Mozilla MetadataService",
    "active": false,
    "description": "Compute metadata using MetadataService",
    "control": {
      "value": false,
      "description": "Use Embedly"
    },
    "variant": {
      "id": "exp-005-metadata-service",
      "value": true,
      "threshold": 0.2,
      "description": "Use MetadataService"
    }
  },
  "dedupedCombinedFrecency": {
    "name": "Combine score of deduped sites",
    "active": false,
    "description": "Add frecencies of deduped top sites for ranking",
    "control": {
      "value": false,
      "description": "Use last frecency"
    },
    "variant": {
      "id": "exp-006-deduped-combined-frecency",
      "value": true,
      "threshold": 0.2,
      "description": "Use combined frecency"
    }
  },
  "locallyFetchMetadata": {
    "name": "Fetch Page Content Locally",
    "active": false,
    "description": "Make a network request for content of a URL",
    "control": {
      "value": false,
      "description": "Use remote service for metadata"
    },
    "variant": {
      "id": "exp-007-locally-fetch-metadata",
      "value": true,
      "threshold": 0.1,
      "description": "Fetch page content locally"
    }
  },
  "originalNewTabSites": {
    "name": "Original about:newtab top sites",
    "active": false,
    "description": "Use the sites from the original about:newtab",
    "control": {
      "value": false,
      "description": "Use sites from tiles"
    },
    "variant": {
      "id": "exp-008-original-newtab-sites",
      "value": true,
      "threshold": 0.2,
      "description": "Use sites from activity stream"
    }
  },
  "screenshots": {
    "name": "Screenshots for Top Sites",
    "active": false,
    "description": "Add screenshots for some Top Sites",
    "control": {
      "value": false,
      "description": "Don't show screenshots"
    },
    "variant": {
      "id": "exp-009-screenshots",
      "value": true,
      "threshold": 0.3,
      "description": "Show screenshots"
    }
  },
  "locallyFetchMetadata20": {
    "name": "Fetch Page Content Locally",
    "active": false,
    "description": "Make a network request for content of a URL",
    "control": {
      "value": false,
      "description": "Use remote service for metadata"
    },
    "variant": {
      "id": "exp-010-locally-fetch-metadata",
      "value": true,
      "threshold": 0.2,
      "description": "Fetch page content locally"
    }
  },
  "newTabPrefs": {
    "name": "Preferences Pane",
    "active": true,
    "description": "Enable the New Tab Prefs feature",
    "control": {
      "value": false,
      "description": "New Tab Prefs is disabled"
    },
    "variant": {
      "id": "exp-011-newtab-prefs",
      "value": true,
      "threshold": 0.2,
      "description": "New Tab Prefs is enabled"
    }
  },
  "screenshotsAsync": {
    "name": "High Res Icons and Screenshots for Top Sites",
    "active": false,
    "description": "Add high res icons or screenshots for some Top Sites",
    "control": {
      "value": false,
      "description": "Don't show screenshots"
    },
    "variant": {
      "id": "exp-012-screenshotsasync",
      "value": true,
      "threshold": 0.3,
      "description": "Show screenshots"
    }
  },
  "bookmarkScreenshots": {
    "name": "Screenshots for Highlights",
    "active": true,
    "description": "Show a screenshot for Highlights that otherwise don't have an image",
    "control": {
      "value": false,
      "description": "Don't show screenshots in Highlights"
    },
    "variant": {
      "id": "exp-013-bookmark-screenshots",
      "value": true,
      "threshold": 0.2,
      "description": "Show screenshots in Highlights"
    }
  },
  "screenshotsLongCache": {
    "name": "High Res Icons and Screenshots for Top Sites with a long metadata cache",
    "active": true,
    "description": "Add high res icons or screenshots for some Top Sites",
    "control": {
      "value": false,
      "description": "Don't show screenshots"
    },
    "variant": {
      "id": "exp-014-screenshotsasync",
      "value": true,
      "threshold": 0.2,
      "description": "Show screenshots"
    }
  },
  "metadataLongCache": {
    "name": "Metadata with Long Cache",
    "active": true,
    "description": "Change the timeout for metadata to a long time",
    "control": {
      "value": false,
      "description": "Short metadata timeout"
    },
    "variant": {
      "id": "exp-015-metadatalongcache",
      "value": true,
      "threshold": 0.2,
      "description": "Long metadata timeout"
    }
  }
}