Troubleshooting A Slow WordPress Site


To test your theme, temporarily switch to the default WordPress theme

and websites web hosting navigate through the site. If there is an improvement in

performance, the problem is most likely related to your theme.


Another front end cause of slow site performance is image size. The

file size of your product/blog images directly impact the spead at which

you site loads. A tool like WP Smushit will help you optimize your images within WordPress.

Also, please refer to this WC Image Guide.


It’s possible that the site sluggishness is related plugins. To test,

deactivate all wordpress plugins and To narrow in on the specific cause,

reactivate each site plugin one by one until you find the culprit.


It might be necessary for you to increase the WordPress memory limit as explained below

Increasing the WordPress Memory Limit

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1. Edit your wp-config.php file and enter something like:

define('WP_MEMORY_LIMIT', '96M');
WordPress memory can be different to the server – you need to set this regardless wordpress of server memory settings

2. If you have access to your PHP.ini file, change the line in PHP.ini

If your line shows 32M try 64M:

memory_limit = 64M ; Maximum amount of memory a script may consume (64MB)

3. If you don’t have access to PHP.ini try adding this to an .htaccess file:

php_value memory_limit 64M

4. If none of the above works then talk to your host.

Cache and CDN 

Using a caching plugin is another way to optimize site performance:

With these caching plugins you can also use a Content Delivery Network (CDN) and/or Cloudflare to further speed up your site.


Finally, it would be advisable for you to contact your hosting

provider to discuss the impact your hosting plan has on your site


We’ve included some of our recommended WordPress hosts below:

Additional Tools and Tips 

Site analysis:

Ninja tips:

  • Do not force SSL on all pages, only force SSL on pages website hosting that NEED it.

    WC has options to do this automatically (Force SSL and Unforce SSL)

  • Offload all unnecessary functions from

    your web server to another server or third party service. such as email

    being sent through a dedicated websites SMTP provider