Blogs as a research tool should be approached with caution because they tend to be more editorial than factual​

Blogs

Regularly updated websites or web pages, typically run by an individual or small group, that are written in an informal or conversational style.

Editorial

A newspaper or magazine article that expresses the opinions of its editors or publishers, typically on topical issues.

Factual

Based on facts; real or true, rather than speculative or based on opinions.