Switched to a local DNS filter after my kid clicked a fake ad - 40 blocked sites in one week

My 12 year old was looking up a school project last Tuesday and clicked one of those "your computer has a virus" ads that looks exactly like a real alert. I used to just tell her to be careful, but that time she actually got scared and called me over. So I set up a local DNS filter on our home router, the free version of one of those services. It took maybe 10 minutes to configure, just changed the DNS addresses in the router settings. After a week I checked the logs and it had blocked 40 different sites, most of them straight up scam pages or malware download links. I learned that these filters catch stuff that antivirus software misses because they stop you before you even reach the bad site. The downside is some social media links stop working until you whitelist them. Has anyone else tried setting up a family DNS filter and seen a big drop in weird popups or fake alerts?

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