Website slow, using 100% cpu usage

A few ideas:
have you tested your website to help pinpoint the issues.
use a tool like this: https://www.webpagetest.org/

have you chatted with your web host to see if the issues are related to the server?

are you using any plugins that use alot of resources?
https://www.ads-software.com/plugins/p3-profiler/

do you have any large images that might be taking a long time to load?

is there anything about the theme that might be causing slowness? does your theme author offer support?

what version of wordpress are you running? what plugins are you using? what theme are you using?

A few ideas:
have you tested your website to help pinpoint the issues.
use a tool like this: https://www.webpagetest.org/

have you chatted with your web host to see if the issues are related to the server?

are you using any plugins that use alot of resources?
https://www.ads-software.com/plugins/p3-profiler/

do you have any large images that might be taking a long time to load?

is there anything about the theme that might be causing slowness? does your theme author offer support?

thanks for replying. I will try your links out. my host says everything is fine on their side, it must be a plugin or theme.

i do have large images. is there any way to resize them without reuploading them?

what version of wordpress are you running? what plugins are you using? what theme are you using?

im using wordpress 4.0, theme is quadrum by oangethemes. currently im using Auto Tags Generator, gravityforms, scroll back to top, Simple Ads Manager and WPBakery Visual Composer

ok, auto tags generator hasn’t been updated in over a year and is only compatible up to version 3.6.1, scroll back to top hasn’t been updated in 4 months and is only compatible up to 3.9.2.

beyond those potential issues you may have an issue with your theme and visual composer both of which are paid for addons so if you address the plugins that are out of date and things are still slow you should get in touch with themeforest about your theme and wpbakery about their composer.

other things to consider might be the server you’re on…

ok, auto tags generator hasn’t been updated in over a year and is only compatible up to version 3.6.1, scroll back to top hasn’t been updated in 4 months and is only compatible up to 3.9.2.

beyond those potential issues you may have an issue with your theme and visual composer both of which are paid for addons so if you address the plugins that are out of date and things are still slow you should get in touch with themeforest about your theme and wpbakery about their composer.

other things to consider might be the server you’re on…

Alrighty ill get more updated plugins and check WPBakery Visual Composer. thanks for your help

no worries, good luck.

I installed P3 (Plugin Performance Profiler)

this is the results. im not sure what it means though

WordPress Plugin Profile Report
===========================================
Report date: November 10, 2014
Theme name: Quadrum Premium Theme
Pages browsed: 18
Avg. load time: 8.9535 sec
Number of plugins: 6
Plugin impact: 38.54% of load time
Avg. plugin time: 3.4504 sec
Avg. core time: 2.0246 sec
Avg. theme time: 3.3464 sec
Avg. mem usage: 31.81 MB
Avg. ticks: 4,628
Avg. db queries : 112.56
Margin of error : 0.1322 sec

Plugin list:
===========================================
P3 (Plugin Performance Profiler) – 0.1159 sec – 3.36%
Gravity Forms – 1.3901 sec – 40.29%
Bulk Resize Media – 0.0693 sec – 2.01%
WPBakery Visual Composer – 1.1636 sec – 33.72%
Scroll To Top – 0.0098 sec – 0.28%
Simple Ads Manager – 0.7017 sec – 20.34%

just for a quick experiment try activating the default wordpress theme and see if that makes a difference. i’ve had a look on google and there are a few posts here and there about the quadrum theme being a very slow loader…

just for a quick experiment try activating the default wordpress theme and see if that makes a difference. i’ve had a look on google and there are a few posts here and there about the quadrum theme being a very slow loader…

Wow, yeah. disabling it makes my pagespeed score from google go from 32 to 61. This really sucks

Hi there I’m facing the same problem.
I access management console, simply navigate through links. Doing this, memory occupation suddenly grows up and server stops.
No big graphic stuffs, 8 GB MEMORY 2 CPU on Ubuntu 32 bit on VMWare.
Can anyone help me?
Thanks in advance.

JLUKEMIAMI,
please start a new topic. while your situation is similar, it’s not exactly same. will be easier for volunteers to help you with your issue if it is not mixed in with another issue.

remember to share link to your website
which theme you are using
which plugins you are using