But if you want to read a blog, this is not the most efficient way to do it because the homepage shows all the recent posts and it's hard to find only what interests you.
Fortunately, Google Mobile (available at google.com on your mobile phone) shows links to the feeds at the top of each page in the mobile-optimized view.
If you click on the link, you'll be able to read the headlines and short snippets in Google Reader. It's much easier to navigate a blog this way and you can read only the interesting posts. Google Reader lets you use keyboard shortcuts to go to a certain post and if you select "more" you can go back in the history of a blog almost indefinitely.
Of course, you can also subscribe to the feeds and read them at google.com/reader/m on your mobile phone, but this may come in handy if you don't use Google Reader or if you want to read the latest posts from a site someone recommended you in the train.