IndieWire is a website that covers film and music, among other topics. It is considered a blog because it is written by a single author and it is not affiliated with any media outlet.
Some people consider IndieWire to be an online magazine, while others consider it to be a blog.
Some people think that IndieWire should be classified as a magazine because of its high quality writing and the amount of coverage it provides for popular films and music. Others think that IndieWire is more akin to a blog because its focus is on shorter pieces that are updated frequently.
Ultimately, the classification of IndieWire is up to the reader.