Calculate SpeedIndex measurements from the field
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pmeenan Merge pull request #20 from StymiedSloth/fixRUMSpeedIndexForSrcsetImages
Fixed RUM Speed Index calculation when using Responsive images
Latest commit df8286b Feb 8, 2019
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src Fixed RUM Speed Index calculation on images Feb 8, 2019
LICENSE Initial commit Sep 29, 2014
README.md Updated readme with caveats Oct 1, 2014
package.json Add package.json file Sep 13, 2016

README.md

RUM-SpeedIndex

Calculate SpeedIndex measurements from the field using Resource Timings

This is still in the early testing stages and there are a few caveats to be aware of:

  • Only works for browsers that support Resource Timings (most modern browsers except Safari)
  • Does not handle content within iframes (possible, just not implemented yet)
  • Works better for IE and Chrome which both support reporting a "first paint" event