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Add Lighthouse based metrics, FCI and TTI #1

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Add Lighthouse based metrics, FCI and TTI #1

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7 changes: 5 additions & 2 deletions SpeedTracker.gs
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Original file line number Diff line number Diff line change
Expand Up @@ -52,7 +52,8 @@ var WPT_PARAMS = {
'video': 1, // need to capture video to calculate SpeedIndex
'location': 'Dulles:Chrome.3G',
'mobile': 1,
'fvonly': 1 // we only need the first view
'fvonly': 1, // we only need the first view
'lighthouse': 1
};

// Map for metrics from Webpagetest. Each object contains:
Expand All @@ -66,7 +67,9 @@ var DATA_POINTS = [
{wptName: 'fullyLoaded', prettyName: 'time to full page load', units: 'milliseconds'},
{wptName: 'image_total', prettyName: 'image bytes', units: 'bytes'},
{wptName: 'image_savings', prettyName: 'bytes that could be saved through image compression', units: 'bytes'},
{wptName: 'gzip_savings', prettyName: 'bytes that could be saved through gzip', units: 'bytes'}
{wptName: 'gzip_savings', prettyName: 'bytes that could be saved through gzip', units: 'bytes'},
{wptName: 'lighthouse.Performance.first-contentful-paint', prettyName: 'First Contentful Paint marks the time at which the first text or image is painted', units: 'milliseconds'}
{wptName: 'lighthouse.Performance.interactive', prettyName: 'Time to interactive is the amount of time it takes for the page to become fully interactive', units: 'milliseconds'}
];


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