I don’t know if it saves time or not, but all the ad-busting plug-ins and PiHole I have installed. I set up a VPN that I can connect to with my phone that sends the connection through the PiHole so I get to enjoy less ads on the mobile, too.
I really despise the “open” unfiltered internet. It’s become a cesspool of ads. Mobile sites that leave you with an inch to view the site as the top and bottom become cluttered with banners, autoplay ads, cookie demands, all with super tiny “x” that are designed to not register or deliberately mis-tap to open the ad. Desktop sites with full-screen ads, autoplay, etc.
Yeah. I don’t know about “can’t live without”, but ad-scrubbing and blocking is a huge necessity just to get things done and not have to deal with all the garbage being inserted between you and what you need to do.