Here is a simple a simple step-by-step guide on how to disable push notifications for a specific website in Google Chrome, Mozilla Firefox and Microsoft Edge.
Disabling Notifications in Google Chrome
Desktop
Go onto the website. Click the lock icon (🔒) at the left side of the address bar and set the push preference to "Block".
Android
Go onto the website then:
Tap the lock icon (🔒) at the left side of the address bar
Tap "Site settings"
Tap "Notifications"
Turn off push notifications. You can also disable alerts if you are using a recent version of Android.
Disabling Notifications in Mozilla Firefox
Desktop
Go onto the website. Click the lock icon (🔒) at the left side of the address bar and delete the permission.
Android
Go onto the website then:
Tap the lock icon (🔒) at the left side of the address bar
Tap "Edit Site settings"
Tick "Notifications", then tap "Clear".
Disabling Notifications in Microsoft Edge
Desktop
Go onto the website. Click the lock icon (🔒) at the left side of the address bar and delete the permission.
Android
Go onto the website then:
Tap the lock icon (🔒) at the left side of the address bar
Tap "Site settings"
Tap "Notifications"
Turn off push notifications. You can also disable alerts if you are using a recent version of Android.
Disabling Notifications in Samsung Internet Browser
Here are the steps you need to take to disable push notifications for a specific website in Samsung Internet Browser:
Go to Settings
Tap "Notifications"
Tap the three dots in the top right corner, then "Allow or block sites"
Disable push notifications for one, several or all websites.
Disabling Notifications in Other Browsers
That guide doesn't describe similar methods for all the browsers available on the market, but most Chromium-based browsers work in the same way.
You can use the guide for Chrome to disable push notifications in Opera, Vivaldi, and more.