Forum How to improve response times ?

[محروم.كوم]

hello
just look at attached pics
the first one from my forum
the other one is vbulletin.com
my forum running on dedicated server
2core Cpu 2900Mhz
4GBram
Nginx
PHP 5.3.19
MySQL 5.5.27
VBseo


server is fast and stable at all

My.cnf

[mysqld]
max_connections=500
max_user_connections =500
key_buffer_size = 4M
myisam_sort_buffer_size = 16M
join_buffer_size = 8M
read_buffer_size = 8M
sort_buffer_size = 8M
max_allowed_packet = 300M
table_open_cache = 200
thread_cache_size = 128
wait_timeout = 28800
connect_timeout = 10
interactive_timeout = 25
max_connect_errors = 20
query_cache_type = 1
query_cache_limit = 32
query_cache_size = 32M
log-slow-queries

[mysqld_safe]
open_files_limit = 8192

[mysqldump]
max_allowed_packet = 8M

[myisamchk]
key_buffer_size = 32M
sort_buffer_size = 16M
read_buffer_size = 20M
write_buffer_size = 20M
local-infile=0

what can i do to get faster response time?
thank you
Attached Images

• my forum.jpg‎ (39.4 KB)
• VB forum.jpg‎ (39.8 KB)

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