Title: Error with elementor when activating the plugin Last modified: August 3, 2022 --- # Error with elementor when activating the plugin * Resolved [seniordeemos](https://wordpress.org/support/users/seniordeemos/) * (@seniordeemos) * [3 years, 10 months ago](https://wordpress.org/support/topic/error-with-elementor-when-activating-the-plugin/) * when i try to enable async javascript , i get this messages in the console , and sometimes the website doesn’t load well. * Uncaught ReferenceError: jQuery is not defined at jquery-migrate.min.js?ver= 3.3.2:2:1 (anonymous) @ jquery-migrate.min.js?ver=3.3.2:2 * ``` frontend.min.js?ver=3.6.8:2 Uncaught ReferenceError: elementorFrontendConfig is not defined at 59 (frontend.min.js?ver=3.6.8:2:32774) at __webpack_require__ (webpack.runtime.min.js?ver=3.6.8:2:153) at 5654 (frontend.min.js?ver=3.6.8:2:3722) at __webpack_require__ (webpack.runtime.min.js?ver=3.6.8:2:153) at frontend.min.js?ver=3.6.8:2:40412 at __webpack_require__.O (webpack.runtime.min.js?ver=3.6.8:2:499) at frontend.min.js?ver=3.6.8:2:40432 at webpackJsonpCallback (webpack.runtime.min.js?ver=3.6.8:2:4611) at frontend.min.js?ver=3.6.8:2:61 ``` Viewing 15 replies - 1 through 15 (of 15 total) * Plugin Author [Optimizing Matters](https://wordpress.org/support/users/optimizingmatters/) * (@optimizingmatters) * [3 years, 10 months ago](https://wordpress.org/support/topic/error-with-elementor-when-activating-the-plugin/#post-15885448) * You’ll have to make sure jQuery is not asynced/ deferred seniordeemos. Can you do so and then re-test? * Thread Starter [seniordeemos](https://wordpress.org/support/users/seniordeemos/) * (@seniordeemos) * [3 years, 10 months ago](https://wordpress.org/support/topic/error-with-elementor-when-activating-the-plugin/#post-15885456) * this happens when i start enabling async javascript plugin, when i turn off the async javascript plugin everything works fine , but the website speed is too slow. * Thread Starter [seniordeemos](https://wordpress.org/support/users/seniordeemos/) * (@seniordeemos) * [3 years, 10 months ago](https://wordpress.org/support/topic/error-with-elementor-when-activating-the-plugin/#post-15885459) * How can i make jquery not to defer or async, * Plugin Author [Optimizing Matters](https://wordpress.org/support/users/optimizingmatters/) * (@optimizingmatters) * [3 years, 10 months ago](https://wordpress.org/support/topic/error-with-elementor-when-activating-the-plugin/#post-15885469) * Settings -> Async JavaScript -> Settings -> jQuery -> make sure it is set to “ exclude” * ![](https://i0.wp.com/i.imgur.com/pHVWqX6.png?ssl=1) * Thread Starter [seniordeemos](https://wordpress.org/support/users/seniordeemos/) * (@seniordeemos) * [3 years, 10 months ago](https://wordpress.org/support/topic/error-with-elementor-when-activating-the-plugin/#post-15885472) * For you to have a better understanding what is going on. * Autoptimize Plugin is Activated with this settings: javascript. Optimize JavaScript Code? Checked Do not aggregate but defer? Checked  Also defer inline JS? Checked * CSS * Optimize CSS Code? Checked all other options unchecked * Misc Options All options are checked. * Then once i try to enable Async javascript plugin and check on enable async javascript. i got these error * Thread Starter [seniordeemos](https://wordpress.org/support/users/seniordeemos/) * (@seniordeemos) * [3 years, 10 months ago](https://wordpress.org/support/topic/error-with-elementor-when-activating-the-plugin/#post-15885477) * i checked that jquery is not defered or asynced i checked on excluded , but still getting these errors , * ``` autoptimize_single_1e1f6bda57b3fe634f02092ec0f871e0.js?ver=2.6.3:1 Uncaught TypeError: Cannot read properties of undefined (reading 'hooks') at Function. (autoptimize_single_1e1f6bda57b3fe634f02092ec0f871e0.js?ver=2.6.3:1:1637) at Function.each (jquery.min.js?ver=3.6.0:2:3053) at init (autoptimize_single_1e1f6bda57b3fe634f02092ec0f871e0.js?ver=2.6.3:1:1613) at dispatch (jquery.min.js?ver=3.6.0:2:43064) at v.handle (jquery.min.js?ver=3.6.0:2:41048) at Events.dispatch (frontend.min.js?ver=3.6.8:2:34540) at Frontend.init (frontend.min.js?ver=3.6.8:2:8664) at HTMLDocument. (frontend.min.js?ver=3.6.8:2:8999) at e (jquery.min.js?ver=3.6.0:2:30038) at t (jquery.min.js?ver=3.6.0:2:30340) ``` * ``` Uncaught ReferenceError: _ is not defined at wp-util.min.js?ver=6.0.1:2:110 at wp-util.min.js?ver=6.0.1:2:1297 (anonymous) @ wp-util.min.js?ver=6.0.1:2 (anonymous) @ wp-util.min.js?ver=6.0.1:2 ``` * Thread Starter [seniordeemos](https://wordpress.org/support/users/seniordeemos/) * (@seniordeemos) * [3 years, 10 months ago](https://wordpress.org/support/topic/error-with-elementor-when-activating-the-plugin/#post-15885478) * Thta’s the website if you wanna take a look [https://lavracaccidentlaw.com/](https://lavracaccidentlaw.com/) * Plugin Author [Optimizing Matters](https://wordpress.org/support/users/optimizingmatters/) * (@optimizingmatters) * [3 years, 10 months ago](https://wordpress.org/support/topic/error-with-elementor-when-activating-the-plugin/#post-15885481) * OK, can you try adding `wp-includes/js` to the AsyncJS exclusion list? * Thread Starter [seniordeemos](https://wordpress.org/support/users/seniordeemos/) * (@seniordeemos) * [3 years, 10 months ago](https://wordpress.org/support/topic/error-with-elementor-when-activating-the-plugin/#post-15885500) * i added this wp-includes/js to Async Javascript plugin under “Script Exclusion” but still the same problem * Thread Starter [seniordeemos](https://wordpress.org/support/users/seniordeemos/) * (@seniordeemos) * [3 years, 10 months ago](https://wordpress.org/support/topic/error-with-elementor-when-activating-the-plugin/#post-15885656) * i found the problem is that when i tried to defer the whole javascript everything worked fine * Plugin Author [Optimizing Matters](https://wordpress.org/support/users/optimizingmatters/) * (@optimizingmatters) * [3 years, 10 months ago](https://wordpress.org/support/topic/error-with-elementor-when-activating-the-plugin/#post-15885730) * > i added this wp-includes/js to Async Javascript plugin under “Script Exclusion” > but still the same problem * what JS error do you see on the browser console in that case? * Thread Starter [seniordeemos](https://wordpress.org/support/users/seniordeemos/) * (@seniordeemos) * [3 years, 10 months ago](https://wordpress.org/support/topic/error-with-elementor-when-activating-the-plugin/#post-15885741) * no JS Errors , it is all Errors like * `Uncaught ReferenceError: _ is not defined at wp-util.min.js?ver=6.0.1:2:110 at wp-util.min.js?ver=6.0.1:2:1297 (anonymous) @ wp-util.min.js?ver=6.0.1:2 ( anonymous) @ wp-util.min.js?ver=6.0.1:2` * Plugin Author [Optimizing Matters](https://wordpress.org/support/users/optimizingmatters/) * (@optimizingmatters) * [3 years, 10 months ago](https://wordpress.org/support/topic/error-with-elementor-when-activating-the-plugin/#post-15885761) * > Uncaught ReferenceError: _ is not defined * well, that’s a JS error actually 🙂 * but what is surprising; _ (underscore) is inside wp-includes/js, so it should be defined if wp-includes/js is excludes from being asynced. * > i found the problem is that when i tried to defer the whole javascript everything > worked fine * you mean switching AsyncJS configuration from async to defer? that would indeed be the better setting. * Thread Starter [seniordeemos](https://wordpress.org/support/users/seniordeemos/) * (@seniordeemos) * [3 years, 10 months ago](https://wordpress.org/support/topic/error-with-elementor-when-activating-the-plugin/#post-15885787) * So one last question , when this will take effect on GTmetrics Analysis ? * Plugin Author [Optimizing Matters](https://wordpress.org/support/users/optimizingmatters/) * (@optimizingmatters) * [3 years, 10 months ago](https://wordpress.org/support/topic/error-with-elementor-when-activating-the-plugin/#post-15885798) * If you’re on some plan that does continuous/ regular performance tests then I’m afraid i don’t know, but if you’re referring to standard GTmetrics one-off tests it should show immediately (assuming you cleared and re-popuplated your page cache). Viewing 15 replies - 1 through 15 (of 15 total) The topic ‘Error with elementor when activating the plugin’ is closed to new replies. * ![](https://ps.w.org/autoptimize/assets/icon-256X256.png?rev=2211608) * [Autoptimize](https://wordpress.org/plugins/autoptimize/) * [Frequently Asked Questions](https://wordpress.org/plugins/autoptimize/#faq) * [Support Threads](https://wordpress.org/support/plugin/autoptimize/) * [Active Topics](https://wordpress.org/support/plugin/autoptimize/active/) * [Unresolved Topics](https://wordpress.org/support/plugin/autoptimize/unresolved/) * [Reviews](https://wordpress.org/support/plugin/autoptimize/reviews/) * 15 replies * 2 participants * Last reply from: [Optimizing Matters](https://wordpress.org/support/users/optimizingmatters/) * Last activity: [3 years, 10 months ago](https://wordpress.org/support/topic/error-with-elementor-when-activating-the-plugin/#post-15885798) * Status: resolved