A blog search engine is very useful if you want to find a blog for a particular niche. You could need a niche blog for anything, may be research, for advertising or just for reading content. A blog search engine filters everything and displays only the blog content. Here is a list of blog search engines for finding interesting niche blogs:
1) Google Blog Search: It is Google’s official blog search engine and like other Google search it is very powerful for finding any kind of blog.
2) Icerocket: Icerocket is another blog search engine where part from blogs you can also search Twitter and Facebook content. Just select the tab at the top to search blogs, Twitter content or Facebook content.
3) Technorati: Technorati is a popular blog search engine where you can search blogs by advanced search. Here you can also search blogs based on authority and sort results either by relevance or date.
4) Blogdigger: Blogdigger is basically a blog search engine. However, you can search any type of blogs as per your needs.
5) Blog search: Blog search is a blog search engine where you can find blogs from more than 38,000 blogs.
6) LS blogs: Ls Blogs is a blog directory where you can search blog templates, tools, software, hosts, resources from blogs and blog forums.
7) Bloggernity: Bloggernity is a search engine directory for searching blogs. You can also add your blog here.
8) Blogcatalog: Blogcatalog is a blog community and resource site for bloggers. Here you can stay connected with other like-minded bloggers.
9) Plazoo: You can use Plazoo for searching blogs, RSS feeds, news based on audio, images, and video content.
10) Readablog: Readablog is a RSS feed search engine for finding RSS blog feeds.
11) Bloghub: Bloghub is a bloggers community for searching and submitting blogs.
12) Guzzle: Guzzle is a RSS feed search engine which pulls its results from various blog RSS feeds.
13) Alltop: Alltop is a blog search directory where you can search for niche blogs on any topic.
14) Your version: Your version can be used for finding relevant blog, twitter tweets and videos. You can also bookmark, organize and share the content you discover here.