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Firefox Health Report lets you know how well your browser is performing and what steps you can take to improve it.

The Firefox Health Report provides you with information about your browser’s performance and stability over time. Mozilla uses this data to provide you with meaningful comparisons and tips. We also aggregate the data shared by everyone to make Firefox better for you. {for not fx20} [[T:ApplyToFx|channel=beta|slug=beta]] {/for} __TOC__ =How to view your Firefox Health Report= *{for win7,win8}At the top of the Firefox window, click the {button Firefox} button, go over to the {menu Help} sub-menu and select {menu Firefox Health Report}.{/for}{for winxp,linux}At the top of the Firefox window, click the {menu Help} menu and select {menu Firefox Health Report}.{/for}{for mac}On the menu bar, click the {menu Help} menu and select {menu Firefox Health Report}.{/for} {note}'''Note:''' If you have just installed Firefox, the information in the Health Report may not be accurate. It typically takes 14 days of browser use to see any trends.{/note} =How to turn data sharing on or off= Data sharing is on by default but you can always turn it on or off from the top of any Firefox Health Report page. Click on the {button Data Sharing} button on the upper right corner of the page. You can also turn sharing on or off with these steps: #[[T:optionspreferences]] #Select the {menu Advanced} panel. #Select the {menu Data Choices} tab. #Check or uncheck the box next to '''Enable Firefox Health Report'''. #[[T:closeoptionspreferences]] When you turn sharing off, Mozilla will stop sending information about your browser to our servers. Any information that’s already on our servers will expire after 180 days. Even if you choose not to share data with Mozilla, you will still see be able to see information about your browser when you go to the Firefox Health Report page. However, you won’t see comparison data from other browsers. =What is the Startup Time graph?= The '''Startup Time by Day''' graph shows how long it took your browser to start on any given day. The default view (Average), shows the median startup time for that day. Clicking on the “All” toggle shows all the startup times for the day. You can see up to 90 days of data on the graph. =How do I view the raw data collected?= You can view a text file of the data that Firefox Health Report collects by clicking on the '''Raw Data''' tab. This display shows the exact data that is being sent to Mozilla (if sharing is on). <!-- =Who owns the data collected?= You own all data collected by FHR. You can delete it anytime by going to _____ and by pressing the delete button. After information is sent to Mozilla’s servers, it stays there for 180 days and is automatically deleted after that. -->