UserAgent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2800.1 Safari/537.36

Steps to reproduce the problem:
1.Opening tabs 
2. 
3. 

What is the expected behavior?
Lagging throughout the whole browser.
Youtube videos lag a lot when trying to open another tab.
Having too many tabs will also lag.

What went wrong?
Tabs slowing down the whole browser

Did this work before? N/A 

Chrome version: 54.0.2800.1  Channel: 
OS Version: 10.0
Flash Version: Shockwave Flash 22.0 r0

Firefox and Microsoft Edge are not laggy at all compared to Chrome.