When you are debugging, you would like to filter out the various requests so you can concentrate on what’s important eg: filter image or css file requests. Google has finally listened to the developer community and has added support for “negative filters” in Google Chrome-version 42.
Here is the text filter I use when debugging where the “-” sign before each file extension keyword filters the requests. The requests then do not show in the “Network” tab:
-png -svg -aspx -axd -jpg -css -ttf -js -gif -ico -woff2
When you are adding the text filter make sure that the “Regex” checkbox is unchecked.
You can further filter the requests by using the following supported keywords