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There are a few Client-side JavaScript libraries that check web-site performance on the client side:

  • Jiffy (
  • Episodes ( by Steve Sounders
  • Boomerang ( by Yahoo!

Have you used any of them or a similar too?
What did you use for the server-side? for reporting?
Is this a recommended approach?
If not, how should I monitor my web-site performance from the end-user's view?

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Here is a 2009 article that discusses Jiffy and Episodes:


  • Jiffy had not been updated since first release.
  • Episodes was favored over Jiffy.
  • Boomerang was not mentioned.
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Thanks. Did you try using any of them? – Yasei No Umi Jan 1 '11 at 14:59

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