In general, blogs can be considered publishers. This is because they are often used to distribute information and content to a large audience. However, this definition is not always clear-cut.
There are many factors that determine whether a blog can be considered a publisher. One of the most important factors is the level of control that the blog owner has over the content.
Some bloggers choose to remain completely independent and control all aspects of their blog. Other bloggers may choose to collaborate with other authors or third-party sources in order to create a more comprehensive and authoritative blog.
In either case, the level of control exhibited by the blog owner is an important factor in determining whether a blog can be considered a publisher.
Another key factor is whether the blog owner profits from the distribution of their content. This is often determined by how much control the blogger has over how their content is used and monetized.
Some bloggers choose to allow third-party advertisers to place ads on their site while others do not monetize their content at all. The level of profit made by the blog owner is also an important factor in determining whether a blog can be considered a publisher.
Ultimately, there is no definitive answer to this question as it depends on many different factors specific to each individual blog. However, if a blogger has significant control over how their content is used and monetized, and they make a profit from the distribution of that content, then they likely qualify as a publisher.