wpsnoop: fix WP SpeedUp plugin conflicts, errors & issues

When the plugin WP SpeedUp conflicts or throws a PHP error we hope wpsnoop can help you to fix the issue quickly.


Discover which shortcodes wp-options PHP functions database tables and files are created by WP SpeedUp, plus learn which plugins and/or themes could be in conflict with WP SpeedUp.


Troubleshooting theme and plugin conflicts is easier when you know what WP SpeedUp leaves behind after uninstalling it from a WordPress installation, there is a list down below for your convenience.

Expert advice is recommended if you are not technically proficient with PHP, MySQL etc. View support options for WP SpeedUp

Get professional support for WP SpeedUp here

When you need professional help with WordPress: get help here


What does WP SpeedUp version 1.4.6 add to WordPress? Answers Here.

This is an automatically generated report - it is possible for WP SpeedUp to perform differently in your installation, previous versions before 1.4.6 may have created a different set of shortcodes, used different function names or could have created entirely different database tables to store settings and operate. This is not an exhaustive list but shows how version 1.4.6 of WP SpeedUp behaves when installed and removed on a clean installation of WordPress.

We have not tested individual shortcodes, features or settings of this plugin but instead have concentrated on the potential for obvious errors and conflicts which can occur, if you need help with the plugin in your local installation you can get WordPress help and support for WP SpeedUp by clicking here.

Our testing covered the free version of this plugin there may or may not be a paid version or premium version available for purchase that unlocks additional features and could behave in a slightly or very different manner.

Which new files does WP SpeedUp add to WordPress?

This section will populate with a table showing an icon, size and filepath.

Type & Path Size Conflicts
wp-content/plugins/wp-speedup/ 276.67kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-speedup/images/ 115.45kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-speedup/images/banner-1544x500.jpg 75.20kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-speedup/images/loader.gif 9.29kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-speedup/images/mechanic_with_board.png 30.96kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-speedup/inc/ 67.91kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-speedup/inc/functions.php 24.93kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-speedup/inc/wpsu_css_settings.php 6.44kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-speedup/inc/wpsu_img_settings.php 1.65kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-speedup/inc/wpsu_js_settings.php 1.43kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-speedup/inc/wpsu_settings.php 12.48kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-speedup/inc/wpsu-css-class.php 20.98kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-speedup/index.php 4.65kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-speedup/js/ 10.15kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-speedup/js/admin-scripts.js 4.87kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-speedup/js/scripts.js 5.29kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-speedup/languages/ 66.38kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-speedup/languages/wp-speedup-de_DE.mo 9.74kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-speedup/languages/wp-speedup-de_DE.po 12.49kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-speedup/languages/wp-speedup-es_ES.mo 9.51kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-speedup/languages/wp-speedup-es_ES.po 12.25kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-speedup/languages/wp-speedup-fr_FR.mo 9.81kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-speedup/languages/wp-speedup-fr_FR.po 12.57kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-speedup/readme.txt 5.04kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-speedup/speedup_css.php 884.00B No known conflicts with other themes or plugins.
wp-content/plugins/wp-speedup/styles/ 6.23kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-speedup/styles/admin-styles.css 6.21kB No known conflicts with other themes or plugins.
wp-content/plugins/wp-speedup/styles/front-styles.css 20.00B No known conflicts with other themes or plugins.

Which new shortcodes does WP SpeedUp add to WordPress?

Which new database tables are created by the WordPress plugin WP SpeedUp?

Which new options are added to the wp-options table by WP SpeedUp?

What new PHP functions does WP SpeedUp declare when it is active?

Function   Conflicts Common Errors
pre 34 conflicts Fatal error: Cannot redeclare pre()
pree 20 conflicts Fatal error: Cannot redeclare pree()
wdjs_get_all_deps 1 conflict Fatal error: Cannot redeclare wdjs_get_all_deps()
register_su_scripts 0 conflicts Fatal error: Cannot redeclare register_su_scripts()
sanitize_spsu_data 0 conflicts Fatal error: Cannot redeclare sanitize_spsu_data()
wp_speedup 0 conflicts Fatal error: Cannot redeclare wp_speedup()
wp_su 0 conflicts Fatal error: Cannot redeclare wp_su()
wpsu_actions 0 conflicts Fatal error: Cannot redeclare wpsu_actions()
wpsu_add_temp 0 conflicts Fatal error: Cannot redeclare wpsu_add_temp()
wpsu_cdata 0 conflicts Fatal error: Cannot redeclare wpsu_cdata()
wpsu_clear_url 0 conflicts Fatal error: Cannot redeclare wpsu_clear_url()
wpsu_compression_check 0 conflicts Fatal error: Cannot redeclare wpsu_compression_check()
wpsu_footer_scripts 0 conflicts Fatal error: Cannot redeclare wpsu_footer_scripts()
wpsu_formatsizeunits 0 conflicts Fatal error: Cannot redeclare wpsu_formatsizeunits()
wpsu_htaccess_magic 0 conflicts Fatal error: Cannot redeclare wpsu_htaccess_magic()
wpsu_init 0 conflicts Fatal error: Cannot redeclare wpsu_init()
wpsu_is_image 0 conflicts Fatal error: Cannot redeclare wpsu_is_image()
wpsu_load_img_module 0 conflicts Fatal error: Cannot redeclare wpsu_load_img_module()
wpsu_menu 0 conflicts Fatal error: Cannot redeclare wpsu_menu()
wpsu_plugin_links 0 conflicts Fatal error: Cannot redeclare wpsu_plugin_links()
wpsu_remove_temp 0 conflicts Fatal error: Cannot redeclare wpsu_remove_temp()
wpsu_render_scripts 0 conflicts Fatal error: Cannot redeclare wpsu_render_scripts()
wpsu_save_do_not_defer_deps 0 conflicts Fatal error: Cannot redeclare wpsu_save_do_not_defer_deps()
wpsu_save_dscripts 0 conflicts Fatal error: Cannot redeclare wpsu_save_dscripts()
wpsu_script_is_dependency 0 conflicts Fatal error: Cannot redeclare wpsu_script_is_dependency()
wpsu_temp 0 conflicts Fatal error: Cannot redeclare wpsu_temp()
wpsu_test_ajax 0 conflicts Fatal error: Cannot redeclare wpsu_test_ajax()

Using WP SpeedUp from the command line with WP-CLI

The following commands are provided for convenience and should only be used if you understand how WP-CLI works. These commands refer to a single WordPress instance and may need to be modified if you are working with a Multisite installation.


How to install WP SpeedUp from the command line with WP-CLI

Navigate to the root of your WordPress installation and type the following command:

wp plugin install wp-speedup


How to activate WP SpeedUp from the command line with WP-CLI

To immediately activate WP SpeedUp after WP-CLI downloads the latest version you can use the following command:

wp plugin install wp-speedup --activate


How to reinstall WP SpeedUp from the command line with WP-CLI

To force a reinstallation of WP SpeedUp which overwrites the current plugin without asking for confirmation you can use the following command:

wp plugin install wp-speedup --force


How to update WP SpeedUp to the latest version from the command line with WP-CLI

wp plugin update wp-speedup


How to delete WP SpeedUp from the command line with WP-CLI

wp plugin delete wp-speedup

Where can you download earlier versions of WP SpeedUp?

Whenever possible you should use the latest version of plugins and themes, however if you have recently updated and discovered that you need to install an earlier version you may be able to download other versions of WP SpeedUp from the WordPress repository by visiting this link.

Please note that installing earlier versions of a theme or plugin is not generally a recommended course of action for most users and could re-introduce security, stability or other issues in WP SpeedUp

About our testing enviroment

Tests were conducted using Apache 2.4.29, PHP 7.2 on Ubuntu 18.04, MySQL 5.7.33 and WordPress 5.9

It is very possible that different versions of PHP such as PHP 8.0, PHP 7.4, or PHP 7.3 could behave differently with WP SpeedUp. Different versions of WordPress could implement the features of this plugin in slightly different ways as well.