How can i make my server faster?

Hi,

How can i make my server faster?

I got the server:

- Optimized
- Added 1 gig more ram

After all that i am still getting 10-15 average loads. What elce can i do to make it faster?

Server info: (has cpanel/whm)
Intel(R) Celeron(R) CPU 2.40GHz
speed: 2423.934 MHz

 

 

 

 

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