Although most sites for settings block with default. Some ads and notifications come up if its not inappropriate.
But blocking ads and notifications will without default will block all ads and notifications.
  • Click on the left side of the url bar.
  • Click settings
  • Choose the setting needed for the site.
  • Close out the settings page.
  • Go back to the site and then reload(Top of the site page).
  • Changes will be made for the site.
  • Please look at the screenshots for references.