PageSpeed Insights for Google Chrome has been deprecated. Please use the online version of PageSpeed Insights.
Workaround by @kiquenet
For Google Page Speed extension:
Maybe any partner in your company has installed the extension. Then do this::
Open chrome://version/ and look for Profile Path:
C:\Users<Your_User_Name>\AppData\Local\Google\Chrome\User Data\Default\Extensions
Then, copy subfolder gplegfbjlmmehdoakndmohflojccocli, without _metadata folder.
For use it, open chrome://extensions/ and activate Developer Mode. And Load unzipped extension.
Ubuntu/Debian location
~/.config/google-chrome/Default/Extensions