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Why is Firefox HAR data page timings for onContentLoad and onLoad equal to -1

  • 1 wótegrono
  • 1 ma toś ten problem
  • 2 naglěda
  • Slědne wótegrono wót Zilmar

jimmy-ly00
jimmy-ly00
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I am doing network performance test on my website to get timings of page load and resources. I can use the Firefox Dev Tools and "Save All As HAR". However, the data doesnt give the page timings correctly.

Here is the a sample of the HAR file: 

 "pages": [
     {
       "startedDateTime": "2017-07-22T14:47:49.001+01:00",
       "id": "page_6",
       "title": "Mid-Latency",
       "pageTimings": {
         "onContentLoad": -1,
         "onLoad": -1
       }
     }
   ],

1. Why is the page timings -1 and how do I get the correct onLoad e.g. 800ms 2. Where is the waterfall resource timings that gives specific timings of scripts/images/css downloads, queuing and loading information?

I am doing network performance test on my website to get timings of page load and resources. I can use the Firefox Dev Tools and "Save All As HAR". However, the data doesnt give the page timings correctly. Here is the a sample of the HAR file: "pages": [ { "startedDateTime": "2017-07-22T14:47:49.001+01:00", "id": "page_6", "title": "Mid-Latency", "pageTimings": { "onContentLoad": -1, "onLoad": -1 } } ], 1. Why is the page timings -1 and how do I get the correct onLoad e.g. 800ms 2. Where is the waterfall resource timings that gives specific timings of scripts/images/css downloads, queuing and loading information?

Wšykne wótegrona (1)

Zilmar
Zilmar
  • Moderator
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Please refer to this topic: https://support.mozilla.org/en-US/questions/1168709