Title: Uncaught ReferenceError: jQuery is not defined Last modified: March 26, 2020 --- # Uncaught ReferenceError: jQuery is not defined * Resolved [mercurydan](https://wordpress.org/support/users/mercurydan/) * (@mercurydan) * [6 years, 1 month ago](https://wordpress.org/support/topic/uncaught-referenceerror-jquery-is-not-defined-23/) * Im using Google Chrome Site Audit in Developer Tools and Get this error after installing the plugin * Uncaught ReferenceError: jQuery is not defined * Do you know what could be causing this? It happened for 34 JS files Viewing 15 replies - 1 through 15 (of 16 total) 1 [2](https://wordpress.org/support/topic/uncaught-referenceerror-jquery-is-not-defined-23/page/2/?output_format=md) [→](https://wordpress.org/support/topic/uncaught-referenceerror-jquery-is-not-defined-23/page/2/?output_format=md) * Plugin Author [Ramoonus](https://wordpress.org/support/users/ramoonus/) * (@ramoonus) * [6 years, 1 month ago](https://wordpress.org/support/topic/uncaught-referenceerror-jquery-is-not-defined-23/#post-12665617) * i think the jquery file isn`t loaded properly thats should be caused by my plugin * which version are you using? * Plugin Author [Ramoonus](https://wordpress.org/support/users/ramoonus/) * (@ramoonus) * [6 years ago](https://wordpress.org/support/topic/uncaught-referenceerror-jquery-is-not-defined-23/#post-12673123) * could you confirm it`s fixed in version 3.5.0 of the plugin? * Thread Starter [mercurydan](https://wordpress.org/support/users/mercurydan/) * (@mercurydan) * [6 years ago](https://wordpress.org/support/topic/uncaught-referenceerror-jquery-is-not-defined-23/#post-12681427) * Ramoonus, * I have reinstalled it and tested on a staging site. It all seems to work now. * Thank you Daniel * [morantivo](https://wordpress.org/support/users/morantivo/) * (@morantivo) * [5 years, 12 months ago](https://wordpress.org/support/topic/uncaught-referenceerror-jquery-is-not-defined-23/#post-12832578) * I have the same problem problem and i don’t know what can be done when i disable the plugin the error disappear and appear the error of the jquery not update, i tried to delete and install again the plugin but nothing work * this is link for picture for the error * > [View post on imgur.com](https://imgur.com/I0JhRCo) - This reply was modified 5 years, 12 months ago by [morantivo](https://wordpress.org/support/users/morantivo/). - This reply was modified 5 years, 12 months ago by [morantivo](https://wordpress.org/support/users/morantivo/). * Plugin Author [Ramoonus](https://wordpress.org/support/users/ramoonus/) * (@ramoonus) * [5 years, 12 months ago](https://wordpress.org/support/topic/uncaught-referenceerror-jquery-is-not-defined-23/#post-12834308) * which version of the plugin are you using? * Plugin Author [Ramoonus](https://wordpress.org/support/users/ramoonus/) * (@ramoonus) * [5 years, 12 months ago](https://wordpress.org/support/topic/uncaught-referenceerror-jquery-is-not-defined-23/#post-12834311) * [@morantivo](https://wordpress.org/support/users/morantivo/) that`s not an error message which is helpful * [morantivo](https://wordpress.org/support/users/morantivo/) * (@morantivo) * [5 years, 12 months ago](https://wordpress.org/support/topic/uncaught-referenceerror-jquery-is-not-defined-23/#post-12834344) * Version 3.5.1.1 * Plugin Author [Ramoonus](https://wordpress.org/support/users/ramoonus/) * (@ramoonus) * [5 years, 12 months ago](https://wordpress.org/support/topic/uncaught-referenceerror-jquery-is-not-defined-23/#post-12834354) * do you use any caching plugins? some alter the order in which JS files are loaded * [morantivo](https://wordpress.org/support/users/morantivo/) * (@morantivo) * [5 years, 12 months ago](https://wordpress.org/support/topic/uncaught-referenceerror-jquery-is-not-defined-23/#post-12834385) * Would you like link to the website to c the error? * Plugin Author [Ramoonus](https://wordpress.org/support/users/ramoonus/) * (@ramoonus) * [5 years, 12 months ago](https://wordpress.org/support/topic/uncaught-referenceerror-jquery-is-not-defined-23/#post-12834393) * that would be very handy * Plugin Author [Ramoonus](https://wordpress.org/support/users/ramoonus/) * (@ramoonus) * [5 years, 12 months ago](https://wordpress.org/support/topic/uncaught-referenceerror-jquery-is-not-defined-23/#post-12834433) * I will check [https://wordpress.org/support/topic/uncaught-referenceerror-jquery-is-not-defined-23/](https://wordpress.org/support/topic/uncaught-referenceerror-jquery-is-not-defined-23/) 1 to 22 to find if they have a solution * [morantivo](https://wordpress.org/support/users/morantivo/) * (@morantivo) * [5 years, 12 months ago](https://wordpress.org/support/topic/uncaught-referenceerror-jquery-is-not-defined-23/#post-12834435) * This is my website [https://www.growplants.org](https://www.growplants.org) i use autoptimize plugin for js * Plugin Author [Ramoonus](https://wordpress.org/support/users/ramoonus/) * (@ramoonus) * [5 years, 12 months ago](https://wordpress.org/support/topic/uncaught-referenceerror-jquery-is-not-defined-23/#post-12834444) * you are indeed using caching plugins * please disable any caching and javascript re-ordering plugins and try again - This reply was modified 5 years, 12 months ago by [Ramoonus](https://wordpress.org/support/users/ramoonus/). * [morantivo](https://wordpress.org/support/users/morantivo/) * (@morantivo) * [5 years, 12 months ago](https://wordpress.org/support/topic/uncaught-referenceerror-jquery-is-not-defined-23/#post-12834533) * I done this please check - This reply was modified 5 years, 12 months ago by [morantivo](https://wordpress.org/support/users/morantivo/). * [morantivo](https://wordpress.org/support/users/morantivo/) * (@morantivo) * [5 years, 12 months ago](https://wordpress.org/support/topic/uncaught-referenceerror-jquery-is-not-defined-23/#post-12834576) * there error disappear but without caching the webiste slowly any solution what do i need to do because i want to operate both - This reply was modified 5 years, 12 months ago by [morantivo](https://wordpress.org/support/users/morantivo/). Viewing 15 replies - 1 through 15 (of 16 total) 1 [2](https://wordpress.org/support/topic/uncaught-referenceerror-jquery-is-not-defined-23/page/2/?output_format=md) [→](https://wordpress.org/support/topic/uncaught-referenceerror-jquery-is-not-defined-23/page/2/?output_format=md) The topic ‘Uncaught ReferenceError: jQuery is not defined’ is closed to new replies. * ![](https://s.w.org/plugins/geopattern-icon/jquery-updater.svg) * [jQuery Updater](https://wordpress.org/plugins/jquery-updater/) * [Frequently Asked Questions](https://wordpress.org/plugins/jquery-updater/#faq) * [Support Threads](https://wordpress.org/support/plugin/jquery-updater/) * [Active Topics](https://wordpress.org/support/plugin/jquery-updater/active/) * [Unresolved Topics](https://wordpress.org/support/plugin/jquery-updater/unresolved/) * [Reviews](https://wordpress.org/support/plugin/jquery-updater/reviews/) * 16 replies * 3 participants * Last reply from: [Ramoonus](https://wordpress.org/support/users/ramoonus/) * Last activity: [5 years, 12 months ago](https://wordpress.org/support/topic/uncaught-referenceerror-jquery-is-not-defined-23/page/2/#post-12834585) * Status: resolved