signal requires a phone number to sign up. a phone number could be used to trace your signal account back to you. so why do people, especially privacy enthusiasts and experts (like edward snowden), still use it and endorse it when it lacks anonymity in that sense? i get that people could use a voip number or something to sign up, but still.
none. chromium is a google (-endorsed) product, who put their own little tracking tidbits into the chromium project. if you still want to use a chromium-based browser, i have two 'suggestions':
now if you really want a good browser, go for either of the following firefox-like browsers:
anyway, sorry for the rant, but there u go.