We hear this question a lot. Think of blog tags as the keywords for your blog.
Depending on what blog platform you're using, there are a number of ways that your blog can benefit from specified tags. Some blogs offer plugins such as tag clouds where each tag that has been designated to a blog post will show up in the sidebar, and the most commonly-used tags are in larger font. Most blog platforms also include a page for each blog tag. Why is this important?
Let's say one of your practice areas is auto accidents, and motorcycle accidents is a tag that you frequently use. Every time you make a blog post that includes that tag, it gets added to the page that includes all blog posts including "motorcycle accidents" as a tag, making the chances of your blog being found through search engines greater.
However, the main reason to use blog tags is to categorize your content. Google likes everything to be neat and tidy across the web. Think of blog tags as different buckets that groups posts together. You don't want to add tags for the sake of adding them though. Be strategic in how you use these tags and don't get too specific. It is more beneficial for users to have 4 tags that have 5 posts each assigned to each tag rather than 20 tags for 20 blog posts.
If you have further questions about blog tags or blogging in general you can contact our web marketing team at 888-886-0939.