CSS file causing render blocking

I’m using Greatmag theme when I test my website in Google pagespeed insight and pingdom test this give me error of 1 CSS file (wp-content/themes/greatmag/bootstrap/css/bootstrap.min.css) causing render blocking .
Please tell me how to fix it.

Hello,

Can you please provide a link to your website?

Kind Regards, Roman.

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Hello, you can try to use Autoptimize plugin and see if it helps:

Please feel free to ask any other questions that you might have.

Kind Regards, Roman.

Can it works with w3 total cache+ cloudflare configuration.

Well, I’m not sure whether it will work properly.

However, you can experiment on a staging website:

And please remember about importance of regular full site backups (files and database):
https://codex.wordpress.org/WordPress_Backups

Kind Regards, Roman.

Ok thanks maybe I should try that on staging

You are welcome!

Kind Regards, Roman.

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