What are some interesting blogs about general topology?

Question

We have several question asking about book recommendations for general topology - for example the posts linked to Best book for topology? or the posts mentioned in the relevant section of http://meta.math.stackexchange.com/questions/1868/list-of-generalizations-of-common-questions. These posts range from beginner level books to a comprehensive reference.

Are there also some blogs that would be useful for somebody interested in general topology? I am interested in blogs intended for audience of any level, from beginners to research level.

Answer 1

• Dan Ma's Topology Blog

  From the blog's about page:

  This blog is not intended as a research blog. The focus is usually on fairly basic topological notions – normal spaces, compact spaces, [Lindelöf] property, metrizability, product spaces, and function spaces, just to name a few. I tend to write on topics or problems or examples that interest me. But there is a lot of contents in my blog that are geared toward readers taking courses in topology.