How to block unwanted ads and malware in all applications

*update: Wednesday, 2 March 2016. Switched back to the hosts file from because that one has a more adequate size and therefore much better performance. The file from uses to much memory if you run a local resolver on your machine.

*update: Wednesday, 17 February 2016 rewrote the script with additional error checks after comment from Peter. Now there is only one script with the hosts file from

*update: Tuesday, 16 February 2016 added another script that also cleans OS X 10.11 DNS caches and uses an even more extensive hosts file from

Recently I compared adblock+, ghostery and a bunch of other ad blocking software in the browsers that I normally use. Most of them blocked ads really well but unfortunately all of them added quite a lot of additional CPU and memory overhead. So, despite the fact that these programs help me to speed up my browsing experience by eliminating advertisements they still slow down my browsing experience. Continue reading “How to block unwanted ads and malware in all applications”