Here are more definitions of types of blogs.

1. Blog Farm – A set of blogs that are interlinked to form a blog network typically with the main blog aggregating the total content/acting as a gateway.
2. Bloggernacle – Short for “blog” and “Tabernacle”. Blogs written by and for Mormons.
3. Catblog – A blog about cats and posting pictures of cats. “Friday catblogging” has become the traditional day for people to post pictures of cats on their blogs.
4. Collaborative blog – A blog written by multiple people and based on a single unifying theme. Also known as a group blog.
5. Event blog - A blog that is focused and contains content specific to an event.
6. Group blog- A blog with more than one regular contributing writer. Also known as a Collaborative blog.
7. Gulog – A shortened version of gulag and blog. This is used to describe a blog that is so dismal and depressing; it’s as if it were written in a Soviet labor camp.
8. K-log – A knowledge focused blog that is posted on a company intranet for sharing company knowledge.
9. Linguablog - A blog about linguistics, translation, languages, or other language-related subjects.
10. Metablog – This is a blog about blogging.
11. MicroBlog – A blog that allows up to 140 character long posts. Twitter is the most popular and allows text messaging for blog postings via cell phone.
12. Moblog – This is short for mobile blog. A blog that features posts from a mobile phone. These are often photoblogs.
13. Movlogs – These are mobile video blogs. These are similar to a Moblog, but they feature videos.
14. Multi-blog – To create or maintain multiple blogs at the same time with a single installation of the Blogging software.
15. Phlog – Similar to a blog, but runs off a Gopher protocol server. These are typically hosted off home servers running some sort of UNIX operating system.
16. Placeblog – A blog that focuses on the events and people of a local area. Place Blogging has a “hyperlocal” scope.
17. Progblog – A progressive blog that supports left, liberal or green political ideologies.
18. Project Blog – A blog dedicated to a specific project. This can range from a hobby project to a larger corporate project.
19. Tech blog – A blog that focuses on new technology information.
20. Weblog- An online journal or diary on a specific subject. Also referred to as a blog.

Related posts:

1. Blogging Definitions: Types of Blogs – Part 1
2. Types of Blogging Software
3. Corporate Blogs: The Blogging Policy
4. What is a Blog? What is Blogging?
5. More blogging terms defined