Support » Plugin: WP Smart Preloader » Preloader freezes in Firefox

  • Resolved balakakomodo


    Preloader is working great in most browsers. However I’ve noticed that after clicking around my website in Firefox browser the plugin will eventually freeze. IE – the page or post will get stuck with the preloader spinning. Pressing ‘Back’ or ‘Refresh’ has no effect.

    I don’t expect a reply to this as it seems this plugin is no longer updated or offering support.

Viewing 8 replies - 1 through 8 (of 8 total)
  • Plugin Author catchsquare


    Hello @balakakomodo

    Sorry for the delay. We were focused on some other projects and were not targeting this plugin at all. But now as we see there are so many users using it, we are focusing on it again and assisting with all of the issues.

    To assist on your issue, we would like to look at your website and see what is wrong with it. Can you please share it with us if you are still using this plugin?

    Thank you.

    • This reply was modified 1 year, 1 month ago by catchsquare.

    Hello your plugin is top and works on Chrome, Brave,Edge,Opera etc… but freezes on mozilla…I have the same problem.

    Here is the site in development:

    Thanks for your help.

    • This reply was modified 1 year, 1 month ago by jiswebsite.
    • This reply was modified 1 year, 1 month ago by jiswebsite.
    Plugin Author catchsquare


    Hello @jiswebsite

    We assume this is a priority overridden case. Can you please try following this step:
    inside the plugin wp-smart-preloader/inc/wsp-option_page.php page Line no: 26
    add_filter( ‘body_class’, array($this,’wsp_add_class_body’) );
    With :
    add_filter( ‘body_class’, array($this,’wsp_add_class_body’), 50 );
    Also you can try increasing the number ’50’.

    We are coming up with new update soon and that will solve this issue. But until then please follow the steps as mentioned above. And let us know if you face any other issue.



    Perfect it works, thank you very much. Continue like this, I really like your plugin, give us the possibility to create preloader with html and css it’s great !

    Thanks again for your help.

    Plugin Author catchsquare


    Thank you so much. 🙂
    Keep using our plugin and enjoy.


    I am having the same issue. I have sent you an email to your catchsquare email address for some more assistance.

    Plugin Author catchsquare


    Dear @anjoel,

    I am sorry that you faced the similar issue. I will try to solve your issue as quick as possible. If you are having a similar issue like that of @jiswebsite than I would like to ask you to try the same method I told to him. If that doesn’t help, then can you please send me your project url along with screenshots of issues you are facing?

    I am always here to assist you on your issues with the plugin.


    Dear @catchsquare,

    we had the same problem getting the preloader to work in Firefox (even your hotfix didn’t help) and came up with following solution (which works in several projects now).
    Inside your/a jQuery file:

    // Bugfix: Preloader ausblenden
    var i;
    for (i = 0; i < 10; i++) {
     function hidePreloader(i) {
       setTimeout(function() {
    	   if (i > 0) {
    	   		jQuery('body .smart-page-loader').fadeOut(500, function() {
    				jQuery('body .smart-page-loader').css('opacity', 0);
    			//i = 25;
       }, 1000 * i);
Viewing 8 replies - 1 through 8 (of 8 total)
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