JPEG bytes
JavaScript bytes
!==
~170KB
~170KB
Network Transmission
main-javascript-bundle.js
photo.jpg
3.4 s 170KB
3.4 s 170KB
Resource Processing
Flame Chart Bottom-Up Call Tree Event Log
Group by URL
Filter
Main
Image Decode (phone.jpg)
Ra...t R...t R...t R...F
Self Time
Total Time
Activity
64.90 ms Image Decode (phone.jpg)
1997.0 ms 44.6 % ▼
native V8Runtime
1997.0 ms 44.6 %
Compile
608.9 ms 13.6 %
937.6 ms 20.9 %
6.8 %
6.9 %
303.6 ms
310.3 ms
Parse
~2s in Parse/Compile
0.064s in Image Decode
Rasterize Paint
Ra...t
Ra...t
~1.5s in Execution
0.028s in Rasterize Paint
@addyosmani - 170KB of (compressed) JS vs. JPEG bytes over a slow 3G network on a Moto G4. JS needing parsed is even larger once decompressed.