blog, short for web log, an online, regularly updated journal or newsletter that is readily accessible to the general public by virtue of being posted on a website.
A blog is your easy-to-use web site, where you can quickly post thoughts on topics of interest to you. The most recent entry by the blogger is posted at the beginning of the blog, with earlier entries following in reverse chronological order; comments and other responses to the blog by readers are often posted after each entry. Whatever you have to say, a blog can help you say it.
Blogging is about more than just putting your thoughts on the web. It's about connecting with and hearing from anyone who reads your work and cares to respond. You can choose whether you want to allow comments on a post-by-post basis, and you can delete any comments you don't like.