Support » Plugin: OneSignal - Web Push Notifications » Not Work for me

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  • Plugin Author OneSignal



    The implementation of Web Push notifications in browsers causes subscribed browsers to occasionally attempt to download this Service Worker file.

    This is a technical artifact of how browsers have implemented notifications, and unfortunately not something that we can change. You can safely ignore this since there’s no security risk or other harm from this. Requests to this file will decrease and eventually go away over time.

    You can resolve the warnings by putting a placeholder file in place of that one (it can be blank).

    Or if you wish to have requests to this file stop sooner, there’s a guide here on how to create a ServiceWorker file that self-removes itself:

    In light of this, I hope you’ll reconsider this review.

    Our support team works hard to make sure that all users, free and paid, receive prompt help. This is not always easy because we have so many clients, but we’re passionate about making sure everyone has a positive experience.



    when you write “browsers causes subscribers to occasionally attempt to download this Service Worker file” I think you write something incorrect.

    If I analyze the site in question (the one from which I removed the plugin) with GTMETRIX and other site speed measurement tools, I find that these tools find calls to an external SDK one signal file on your site.

    Before reconsidering my review I would also like to find the time to implement in your FAQ or documentation of the plugin a chapter or section completely dedicated to removing the plugin and the service Worker file (step by step) what is currently absolutely missing.


    • This reply was modified 1 month, 1 week ago by  alkemiko.
    Plugin Author OneSignal



    Would you mind contacting with the site URL, plugins using, and GTMetrix screenshot?

    You said your site code and GTMetrix is still calling OneSignal, but this should not happen if you completely deactivated and removed our plugin.

    Removing our plugin completely (not just deactivating it) and clearing any cacheing plugins should remove all our code and service workers.

    Please let us know so we can investigate further.

    Thanks and happy to help!

    I solved. Thank’s

    Plugin Author OneSignal


    @alkemiko ,
    Would you mind updating your review? Please also reach out if you have any other questions. We’d be happy to help.



    Hi, I’ve already reviewed it, I went from a three-star. however I removed the plugin because it didn’t work

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