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When I opened tab to check "submit performance data" I did not have this tab choice. It just wasn't there.

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I followed the directions to check for slowness of firefox and high cpu usage. Tools>options>advanced>general>check "submit performance data" but there was not a box to check. All the other boxes were there. Just not "submit performance data".

Chosen solution

Quote: I followed the directions to check for slowness of firefox and high cpu usage.


Start Firefox in Safe Mode to check if one of the extensions (Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance).

  • Do NOT click the Reset button on the Safe Mode start window or otherwise make changes.

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More Information

the-edmeister
  • Top 10 Contributor
  • Moderator
3195 solutions 24397 answers

How about Enable Telemetry - is that there under Data Choices?

Tools > Options -> Advanced --> Data Choices

Question owner

Yes it was under "data choices" and yes it was already checked

Question owner

What should I do now?

Helpful Reply

What should I do now?

Tyler Downer
  • Administrator
  • Moderator
1164 solutions 6635 answers

Helpful Reply

Submit Performance Data was changed to 3 different options in Firefox 21 to better reflect how Firefox can share data with Mozilla. We use the information to improve Firefox in many different ways, so the more the merrier :)

cor-el
  • Top 10 Contributor
  • Moderator
10749 solutions 96724 answers

Chosen Solution

Quote: I followed the directions to check for slowness of firefox and high cpu usage.


Start Firefox in Safe Mode to check if one of the extensions (Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance).

  • Do NOT click the Reset button on the Safe Mode start window or otherwise make changes.