Chrome may have been faster, but I don't really remember Firefox ever being particularly slow. Adware, spyware, and crypto miners are all types of malware, and

Chrome may have been faster, but I don't really remember Firefox ever being particularly slow. Adware, spyware, and crypto miners are all types of malware, and ublock origin can block all of them. Antivirus is probably the least useful type of anti-malware program as viruses aren't particularly common unless you're on the shady parts of the web.