# Performance Panel

Starting with WeChat 6.5.8, we provide a performance panel to let developers know the performance of Weixin Mini Program.Developers can open the Performance Panel under the Developer App. How to open it: Go to the Developer App, go to the More button in the top right corner, and click Show Performance Window.

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# Dxplaination of performance panel indicators

index Introductions
CPU Weixin Mini Program Process CPU usage, Android only
Memory Weixin Mini Program Memory footprint of the process (Total Pss), available under Android only
Startup takes time Weixin Mini Program Total start-up time
The download takes time Weixin Mini Program Package download time consuming, download when first opened or when resource package needs to be updated
Page switching takes time Weixin Mini Program Time consuming for page switching
Frame Rate / FPS
The first rendering takes time Time spent on the first render of a page
Rendering again is time consuming Time spent rendering the page again (usually triggered by the developer's setData operation)
Data Cache Weixin Mini Program Cache size stored through the Storage interface