First of all, you must understand what the problem is and what part of Google is working with issues. Also, you should try to use general and custom settings. Also, use the antivirus to check your system for Malware. It can be good to read this post for more info
https://rocketfiles.com/articles/why-is-chrome-so-slow. It can be useful to you.
It wasn't slow? It was loading a block screen fast as far as I can remember.
And ahh, this is why I switched to firefox 6 months ago...