We all know that web sites often load trackers and ad programs when we visit. This is why it’s recommended that you use plugins like Ghostery, or take other steps to block those trackers. But how bad is it really?

See: http://www.mondaynote.com/2015/07/20/20-home-pages-500-trackers-loaded-%E2%80%A8media-succumbs-to-monitoring-frenzy/

Politico, for instance, has over 100 trackers in its site. In one test, it loaded 89 of them on one visit to its front page. The Daily Mail, another popular site, was even worse.

A single click on its Mail Online flagship sends a whopping 672 requests, but it manages to run them at blazing speed (19 sec loading time) for a feather weight of 3 Mb, including 2.7 Mb for 578 super-optimized pictures that don’t exceed 120 Kb each.

The Mail Online wins many digital speed/weight records. It is one of the most optimized web sites in the world (see our last week story on the obesity plaguing the news industry). But when it comes to monitoring users, The Mail Online also scores high with 79 trackers loaded in one stroke (see below), of which I was able to detail only 63 in my main table:

full article:
http://www.whiterose.us/20-web-pages-500-trackers/