How to track trackers
Add a social button on your portfolio:
Enable the LightBeam
extension for Firefox:
https://www.mozilla.org/fr/lightbeam/
and display all the trackers of your website!
Replace button by a static version of it:
http://chrisltd.com/blog/2015/04/social-share-like-buttons-without-javascript/
Check again trackers of your website with LightBeam
, do you see changes?
Now compare the loading speed of the web page (with the inspector) of two social button versions!