Also consider uMatrix to block all scripts and resources and then selectively enable only the ones you need. (It can be a bit of a pain when visiting new domains, but it helps massively with preventing unnecessary crap from clogging your browser+connection and you soon get used to figuring out what's essential/useful/unnecessary when a site doesn't work.)
Four clicks to get to the Whitelist section might be annoying if it was a regular feature, but I think I may have used it once or twice tops, so... *shrug*
If it bugs you that much: https://github.com/gorhill/uBlock/issues