Until ads went rogue and started serving me malware, I never had a problem with them.

After being served up a malicious pop-up that silently installed a bitcoin miner a few years ago, I started whitelisting javascript with a plugin, blocking ads, etc.

I haven't had a malware problem since I started doing this. I don't think it's a coincidence.

The most convenient solution I've found for my phone is using the Firefox app, which has extension support.