See the developer dashboard network data. Please someone explain me why CSS and JS files are being loaded twice? how can I fix it? I believe it is slowing down the page load speed.

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1 Answer 1


There might be references of same files in following pages:

  1. Master Page
  2. Site Page
  • There is no other reference anywhere. Even in the out of the box SharePoint seattle masterpage I see core CSS file being rendered twice and I'm not able to find anything on any search engine why this is happeing. May 22, 2019 at 3:39
  • @user3277651 Try removing the references wherever it is present and add it again. May 22, 2019 at 4:31

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