Hello,

Users can optimize site for speed, but good percentage is caused by server itself, so end users should increase performance on their own, and to to make sure that they are using reliable hosting service providers with high resources, and with fast and secure servers.

Please take this article about it here >> https://www.wpbeginner.com/wordpress-performance-speed/ maybe that can be helpful for you.

Here are some general tips for speeding up your website, and please note, you can't minimize files like js.php and css.php, because they are dynamically created.

1) Optimize your images with some tool: www.jpegmini.com/

2) Also you can install some plugin for cache, like WP Fastest Cache or premium one http://wp-rocket.me/

3) You can enable gzip compression on your server. You should paste this code to .htaccess file located in your folder:

<ifModule mod_gzip.c>
mod_gzip_on Yes
mod_gzip_dechunk Yes
mod_gzip_item_include file .(html?|txt|css|js|php|pl)$
mod_gzip_item_include handler ^cgi-script$
mod_gzip_item_include mime ^text/.*
mod_gzip_item_include mime ^application/x-javascript.*
mod_gzip_item_exclude mime ^image/.*
mod_gzip_item_exclude rspheader ^Content-Encoding:.*gzip.*
</ifModule>

http://www.feedthebot.com/pagespeed/enable-compression.html

4) Leverage browser caching: http://www.feedthebot.com/pagespeed/leverage-browser-caching.html

5) Use at least PHP 5.6 or greater in order to process PHP code faster, and to fix older version bugs. Note that wordpress is now recommending PHP 7.0 or greater https://wordpress.org/about/requirements/

Unfortunately there is no predefined option to disable loading of some files without some custom coding.

For any other issue you are facing please feel free to ask us and we will assist you as soon as possible. I will give my best to help you building your site.

Thanks & Regards, 
Vladimir

Hello Alex,

This should not be typical theme behavior. Could you please deactivate WP Rocket as well and enable gzip compression. To enable gzip compression on your server you should paste this code to .htaccess file located in your folder:

<ifModule mod_gzip.c>
mod_gzip_on Yes
mod_gzip_dechunk Yes
mod_gzip_item_include file .(html?|txt|css|js|php|pl)$
mod_gzip_item_include handler ^cgi-script$
mod_gzip_item_include mime ^text/.*
mod_gzip_item_include mime ^application/x-javascript.*
mod_gzip_item_exclude mime ^image/.*
mod_gzip_item_exclude rspheader ^Content-Encoding:.*gzip.*
</ifModule>

More on that topic here: http://www.feedthebot.com/pagespeed/enable-compression.html

Instead of using WP Rocket try Leverage browser caching:

http://www.feedthebot.com/pagespeed/leverage-browser-caching.html

Please let us know when this is done so that we can continue with investigating this issue for you.

Kind regards,

Sean

Hello again,

I apologize for the late reply, we have been getting a lot of messages daily and are trying our best to keep up with every request. We hope you can understand.

You also need to install and enable leverage browser caching:

http://www.feedthebot.com/pagespeed/leverage-browser-caching.html

deactivate all third party plugins: https://www.screencast.com/t/xvxuHB8ZZ

and optimize your images https://www.screencast.com/t/YaiLC30zy5

Only once you have done all of these will we be able to pinpoint the source of the issue.

Kind regards,

Sean