Is it normal for the TTFB time to be 2+ seconds for slow 3G simulation in chrome? Isn't it too slow?

The TTFB time of html page of my site is 2+ seconds for slow 3G simulation in chrome. Isn’t it slow? How can I improve it?

hey nakib,

the best bet for us to take a look at any TTFB you think might be slow is to capture a HAR file so we can understand what is happening with your requests:

https://toolbox.googleapps.com/apps/har_analyzer/