I only recently noticed this https://support.mozilla.org/en-US/kb/tracking-protection-firefox
Is worth pimping as I cant remember last time they did something useful regarding privacy - except talk and fun stuff like Lightbeam https://www.mozilla.org/en-US/lightbeam/ This sets them apart from at least Chrome. IEs have been in to blocking for a long time…
They need to make it in to UI which might be another story.
Works fine and can probably replace evil Adblock Plus or new hope uBlock https://addons.mozilla.org/en-US/firefox/addon/ublock/?src=search - even if not blocking as much or as flexible. Can only turn it on/off per site, basic white listing - thats it! Should have less “issues” with ram usage, broken browser rendering - what browser coders have been crying about.
https://blog.mozilla.org/nnethercote/2014/11/12/quantifying-the-effects-of-firefoxs-tracking-protection/ show before/after, written by one of their own people.
In comments it says Safe Browsing must be enabled for this to work. Use same update channels or something.
user_pref("browser.safebrowsing.enabled", true);
user_pref("browser.safebrowsing.malware.enabled", true);
user_pref("privacy.trackingprotection.enabled", true);
in user.js will make it work for sure.
What has been blocked show up in console like
The resource at "https://www.google-analytics.com/analytics.js" was blocked because tracking protection is enabled.