Blogger and WordPress are two of the most popular blogging and website tools in the world. Each has it's advantages and disadvantages. Unless you have a very good reason, I recommend you consider either using Blogger or a hosted WordPress.org installation.
BloggerBlogger is a free blogging / website service provided by Google.
Advantages- Free to use
- Free hosting
- Easy to use - great for beginners!
- Includes free domain name
- Can customize any theme
- Can install custom third party templates
- Can install custom third party Widgets
- You can alternatively use your own domain name
- Easily integrates with several of Google's other products
- Free technical support
Disadvantages
- Limited availability of free third party templates
- Can not password protect the whole blog site
- Limited number of available Widgets
- Limited number of static pages
- Not as flexible or as popular as WordPress
- Only third party contact forms can be added
- You can not use a static page as a home page. However you can simulate a static Home page by setting the post date into the future.
- Can only import from other Blogger blogs
- Can not upload files - however you can store files in other Google services
- Limited SPAM protection
- Can be made SEO friendly with some effort
- Few SEO friendly templates available
WordPress.com
Advantages
- Free to use
- Free hosting
- Includes free domain name
- Perfect for beginner-intermediate users
- Free technical support
- Easy to add "Contact Us" form
- You can assign a static page as your home page
- You can upgrade from Blogger and import your blog data
- Can upload a limited number of file formats
- Better SPAM protection available
- Built-in SEO
Disadvantages
- Slightly more involved than Blogger
- Can not customize any theme
- Restricted to published list of templates
- Restricted to published list of Widgets
- Restricted to WordPress.com configuration settings
- Limited to a maximum of 10 static pages
- No SEO specific templates available
For a more complete feature comparison between Blogger and WordPress.com, see the Blogger vs. Wordpress.com Comparison Chart - 2010.
WordPress.org
Advantages
- No Restrictions
- Extremely Flexible
- Impressive list of available third party Widgets
- Impressive list of available Templates
- Easy to install new template
- Having your own hosted site and domain can have many other advantages
- You will find more articles on the Web written about WordPress than any other blogging tool
- There are tools to allow you to password protect all of your site or just part of your site and grant multiple levels of permission
- Easy to add Contact Us form
- You can assign a static page as a home page
- Perfect for beginner-intermediate users
- You can upgrade from Blogger and import your blog data
- Can upload and store any file format you want on your site
- Flexible SPAM protection available from third party widgets
- Build-in SEO and more SEO templates available
Disadvantages
- Slightly more involved than Blogger
- You must also arrange for hosting
- There is a fee for hosting and for the domain
- Technical support may not be free if something goes wrong