How to turn off push notifications.

Chrome on Android

1. On your Android device, open Chrome.
2. Go to the site that sends you notifications.
3. To the left of the address bar, tap Page info, then Permissions.
4. Turn off Notifications.

To turn off notifications from all sites, tap More, then Settings, then Site settings, then Notifications, and turn off the setting at the top.

From support.google.com.

Chrome on Windows, Mac, and Linux

1. On your computer, open Chrome.
2. Go to the site that sends you notifications.
3. To the left of the web address, select View site information.
4. Turn off Notifications.
5. If Notifications isn't listed, select Site settings and change the Notifications setting there.

To change it for all sites, select More, then Settings, then Privacy and security, then Site Settings, then Notifications, and pick a default that doesn't let sites send notifications.

From support.google.com.

Chrome on iPhone and iPad

1. Sites open in Chrome on iPhone and iPad can't send you notifications. Website notifications come from web apps added to your Home Screen.
2. To stop a web app, go to the Settings app and tap Notifications.
3. Below Notification Style, tap the web app.
4. Turn off Allow Notifications.

To stop alerts from the Chrome app itself, go to Settings, then Notifications, then Chrome, and turn off Allow Notifications.

From support.google.com.

Edge on Windows and Mac

1. In Edge, select Settings and more in the upper right corner of the window.
2. Select Settings, then Privacy, search, and services.
3. Select Site permissions, then All sites.
4. Select the website you want to stop.
5. Find the Notifications setting and choose Block from the dropdown menu.

From support.microsoft.com.

Firefox on Android

1. Open Firefox for Android.
2. Tap the menu button, then tap Settings.
3. Tap Site permissions. If you don't see it, tap Site settings.
4. Select Notification.
5. Choose Blocked. This turns off notifications from all sites.

From support.mozilla.org.

Firefox on Windows, Mac, and Linux

1. On Windows or Linux, click the menu button and select Settings. On a Mac, click Firefox in the Menu bar and select Settings.
2. Select Permissions and data on the left.
3. Under the Permissions section, click Notifications.
4. Select the website, then select Block from the Status drop-down next to it.
5. Click the Save Changes button.

In the same list, click Remove All Websites, select Block new requests asking to allow notifications, and click Save Changes.

From support.mozilla.org.

Safari on iPhone and iPad

1. Go to the Settings app on your iPhone or iPad.
2. Tap Notifications.
3. Below Notification Style, tap the web app. A web app is a website you added to your Home Screen.
4. Turn off Allow Notifications.

From support.apple.com.

Safari on Mac

1. On your Mac, choose Apple menu, then System Settings.
2. Click Notifications in the sidebar. You may need to scroll down.
3. Go to Application Notifications and click the website.
4. Turn off Allow Notifications.

To stop sites from asking, open Safari, choose Safari, then Settings, click Websites, then Notifications, and deselect "Allow websites to ask for permission to send notifications."

From support.apple.com.

Samsung Internet on Galaxy phones

1. Swipe down on your screen to see your notifications.
2. Slide the website's notification to the right for more options.
3. Tap Settings.
4. Find the website and turn it off.
5. If you already cleared the notification, go to Settings, then Notifications, then Samsung Internet, and turn off the website under Sites.

From www.samsung.com.