A weblog is a journal that is frequently updated and intended for general public consumption. Blogs generally represent the personality of the author or the Web site.
The activity of updating a blog is blogging and someone who keeps a blog is a blogger. Blogs are usually updated daily and contain all information that the blogger wishes to share with the world.
This webblog is to make you practise your English. That is why you are advised to write everything in English. And of course as often as possible.