wpsnoop: fix Plugin Optimizer plugin conflicts, errors & issues

When the plugin Plugin Optimizer 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 Plugin Optimizer, plus learn which plugins and/or themes could be in conflict with Plugin Optimizer.


Troubleshooting theme and plugin conflicts is easier when you know what Plugin Optimizer 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 Plugin Optimizer

Get professional support for Plugin Optimizer here

When you need professional help with WordPress: get help here


What does Plugin Optimizer version 1.2.1 add to WordPress? Answers Here.

This is an automatically generated report - it is possible for Plugin Optimizer to perform differently in your installation, previous versions before 1.2.1 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 1.2.1 of Plugin Optimizer 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 Plugin Optimizer 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 Plugin Optimizer add to WordPress?

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

Type & Path Size Conflicts
wp-content/mu-plugins/ 21.92kB The wp-content/mu-plugins/ directory has potential conflicts with at least 37 other plugins or themes.
wp-content/mu-plugins/class-po-mu.php 21.92kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/ 1.81MB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/.revision 41.00B No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/admin/ 384.57kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/admin/class-po-admin-ajax.php 19.19kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/admin/class-po-admin-helper.php 38.74kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/admin/class-po-admin-pages.php 4.08kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/admin/class-po-admin.php 32.93kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/admin/css/ 61.25kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/admin/css/po-admin-public.css 5.38kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/admin/css/po-admin.css 37.22kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/admin/css/selectable-ui.min.css 14.85kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/admin/css/simplebar.css 3.80kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/admin/img/ 2.63kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/admin/img/check_mark.png 562.00B No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/admin/img/noimage.png 2.08kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/admin/index.php 26.00B No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/admin/js/ 131.75kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/admin/js/po-admin-menu-fix.js 3.85kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/admin/js/po-admin-menu-get.js 2.26kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/admin/js/po-admin.js 53.58kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/admin/js/selectable-ui.min.js 15.25kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/admin/js/simplebar.min.js 56.80kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/admin/pages/ 93.79kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/admin/pages/page-categories-edit.php 2.06kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/admin/pages/page-categories-list.php 3.14kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/admin/pages/page-filters-edit.php 22.02kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/admin/pages/page-filters-list.php 6.62kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/admin/pages/page-groups-edit.php 3.19kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/admin/pages/page-groups-list.php 3.02kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/admin/pages/page-overview-display.php 1.45kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/admin/pages/page-overview-free_bootcamp-content.php 9.78kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/admin/pages/page-overview-premium_bootcamp-content.php 9.65kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/admin/pages/page-overview.php 7.97kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/admin/pages/page-settings.php 1.88kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/admin/pages/page-support.php 45.00B No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/admin/pages/page-worklist.php 2.16kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/admin/pages/parts/ 20.81kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/admin/pages/parts/overview/ 20.81kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/admin/pages/parts/overview/content-free_bootcamp.php 9.66kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/admin/pages/parts/overview/content-premium_bootcamp.php 9.65kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/admin/pages/parts/overview/display_tabs.php 1.50kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/admin/partial/ 204.00B No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/admin/partial/main-title.php 204.00B No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/assets/ 1.24MB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/assets/category-create.jpg 118.92kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/assets/category-list.jpg 178.80kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/assets/filter-create.jpg 172.32kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/assets/filter-list.jpg 238.38kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/assets/group-create.jpg 284.80kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/assets/group-list.jpg 178.33kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/assets/icon-128x128-white.png 5.18kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/assets/icon-128x128.png 3.65kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/assets/settings.jpg 86.83kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/config.php 309.00B No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/includes/ 46.03kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/includes/class-po-activator.php 4.36kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/includes/class-po-deactivator.php 575.00B No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/includes/class-po-dictionary.php 7.57kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/includes/class-po-i18n.php 751.00B No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/includes/class-po-mu.php 21.92kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/includes/class-po-woocommerce.php 7.21kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/includes/class-po.php 3.66kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/includes/index.php 26.00B No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/index.php 26.00B No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/languages/ No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/languages/plugin-optimizer.pot No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/license.txt 17.67kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/plugin-optimizer.php 6.87kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/README.txt 7.27kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/uninstall.php 0.99kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/vendor/ 120.04kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/vendor/appsero/ 81.88kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/vendor/appsero/client/ 81.88kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/vendor/appsero/client/.gitignore 198.00B No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/vendor/appsero/client/composer.json 431.00B No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/vendor/appsero/client/readme.md 6.25kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/vendor/appsero/client/src/ 75.02kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/vendor/appsero/client/src/Client.php 5.12kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/vendor/appsero/client/src/Insights.php 40.33kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/vendor/appsero/client/src/License.php 22.29kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/vendor/appsero/client/src/Updater.php 7.27kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/vendor/autoload.php 178.00B No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/vendor/composer/ 37.99kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/vendor/composer/autoload_classmap.php 528.00B No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/vendor/composer/autoload_namespaces.php 149.00B No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/vendor/composer/autoload_psr4.php 205.00B No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/vendor/composer/autoload_real.php 1.85kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/vendor/composer/autoload_static.php 1.36kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/vendor/composer/ClassLoader.php 15.69kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/vendor/composer/installed.json 1.53kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/vendor/composer/installed.php 1.02kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/vendor/composer/InstalledVersions.php 13.73kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/vendor/composer/LICENSE 1.04kB No known conflicts with other themes or plugins.
wp-content/plugins/plugin-optimizer/vendor/composer/platform_check.php 925.00B No known conflicts with other themes or plugins.

Which new shortcodes does Plugin Optimizer add to WordPress?

Which new database tables are created by the WordPress plugin Plugin Optimizer?

Which new options are added to the wp-options table by Plugin Optimizer?

Option Name   Known Conflicts
default_term_plgnoptmzr_categories The default_term_plgnoptmzr_categories option doesn't have any known conflicts with other themes or plugins.
plgnoptmzr_categories_children The plgnoptmzr_categories_children option doesn't have any known conflicts with other themes or plugins.

During use Plugin Optimizer may or may not create more options depending on how the plugin is configured and depending on which other themes and plugins are active in your specific hosting environment.

Using Plugin Optimizer 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 Plugin Optimizer from the command line with WP-CLI

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

wp plugin install plugin-optimizer


How to activate Plugin Optimizer from the command line with WP-CLI

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

wp plugin install plugin-optimizer --activate


How to reinstall Plugin Optimizer from the command line with WP-CLI

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

wp plugin install plugin-optimizer --force


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

wp plugin update plugin-optimizer


How to delete Plugin Optimizer from the command line with WP-CLI

wp plugin delete plugin-optimizer

Where can you download earlier versions of Plugin Optimizer?

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 Plugin Optimizer 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 Plugin Optimizer

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 Plugin Optimizer. Different versions of WordPress could implement the features of this plugin in slightly different ways as well.