All of your websites and blogs should utilize something like Tweetmeme or Tweetcount to help increase the presence of your site on the web.
My experience with the WordPress GZIP Output Plugin was not a pleasant one… so proceed with caution if you install this wordpress plugin.
Ajax Comment Posting is a WordPress plugin that insures that certain comment form fields (name and email address) are completed before accepting the comment as valid. Feels like a nice thing to have on your blog… yes?
Akismet is a spam filter… a very good spam filter… and since the majority of blog comments are spam, it is very important to install this WordPress plugin. To give you an indication of how important this plugin is to WordPress, it is loaded when you install WordPress.
Everyone should be backing up their blog database. If you have never needed to use a backup copy of something, count yourself very lucky. Whether it be a Word document, a photograph or a database… you should be backing up all of your work. If something goes wrong, you won’t lose your hard-earned work.