All my sites use Google Analytics to log and analyze traffic. Everything within blog.tfnico.com and episodes.gitminutes.com is powered by Google Blogger. Everything else, on www.tfnico.com and www.gitminutes.com is powered by Google Sites. The RSS feeds go through Google Feedburner. For more information on what Google tracks of cookies and does with it, see here.
In front of these pages, I use CloudFlare to protect and encrypt the services. See here for more information on what they track around end users.
If you have any more questions about privacy or the data being stored about your visit, just get in touch with me.