uBlock might have discontinued, try finding uBlock alternatives
uBlock Origin is a free and open source, cross-platform browser extension for content-filtering, including ad-blocking.
Developed by Chris Aljoudi
Apps available for
Mac OS X
Block Ads On Websites
Block ads on the website while browsing
Block Popups On Websites
Block popups on the website while browsing
uBlock is an Open Source Product.
Chris Aljoudi has developed uBlock