Get a simple overview of resource types in the Network panel with the Color-code resource types feature. To enable (if not already)
- Go to Settings (the cog wheel)
- In the general section, find the network heading.
- Check Color-code resource types.
Each of Scripts, Stylesheets, documents, fonts and more will be coloured based on its type so you can easily understand what you're looking at without having to read the filename.