In Chapter 6, Search Engine Optimization, we discussed methods of optimizing your blog for the major search engines. However, there's a whole host of other search engines and indexes that are specifically for blogs. One of the most popular of these is Technorati (http://www.technorati.com). These search engines represent another great way of promoting your blog by getting it in front of another group of web searchers.
Luckily, WordPress makes it easy to get listed on the most popular blog indexes and search engines. These search engines compile their indexes from blogs pinging them.
Note
Ping is a mechanism by which blogs notify external servers (in this case, the search engines) that their content has been updated.
By default, WordPress is automatically...