I have VPS on which earlier I was running my websites.Now I have installed the Cpanel VPS optimized hosting panel. I can see that it has significantly impacted the website performance.Please can someone help to tweak some performance related tweaking with respect to Cpanel.
cPanel shouldn't impact the performance unless you are using a very low configuration VPS and the websites are receiving a high amount of traffic. What processes do you see using high resources? You can check it using
cPanel may impact the speed of your server if your RAM isn't enough to run it. It requires minimum of 384MB RAM. Try your website load performance with this: www.loadimpact.com