This list only link blogs I (used to) visit regularly. That’s why most fashion blogs, for example, are male-oriented. It doesn’t necessarily mean these are the best SL-related sites out there; there are probably hundreds of them all over the Internet, so use your favorite search engine if you need more references. Blogs that have reached the end of their days are kept listed if they’re still of value in any way, until their content is no longer relevant and then they are dropped.
It isn’t as long as it used to be because sometimes —frequently, even— veteran bloggers decide to move on and stop publishing, while some other people, old and new, rely on other platforms such as flickr (particularly true for landscape photographers), Facebook, Instagram or YouTube to do the job. So look for SL netizens in places like those too; there are plenty of talented people out there…
SL’s Community News section could also be a good starting point for finding people posting regularly. So check it out.