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Blog glossary definition

A blog is a website where an author posts updates in a sequence of articles. You can read the newest post first, then scroll back through older entries. Many people use blogs to share expertise, tell stories, review products, or document projects over time.

In practice, a blog usually includes several key parts. Each entry has a title, a main text section, and a date. A blog also often shows categories or tags so you can group posts by topic. Readers may leave comments, and the site may offer an email signup or an RSS feed for updates.

Blogs started as online journals, and the format still feels personal. Yet businesses also run blogs. A company might publish articles about industry news, explain how a product works, or answer common questions. In that case, the blog supports marketing by bringing new visitors from search engines and helping readers decide what to buy or where to go next.

People sometimes mix up “blog” with “social media.” Social platforms focus on fast posts and feeds, while blogs focus on longer articles that you can search, organize, and revisit. You can also treat a blog as a knowledge base. When the author updates content regularly, the site grows into something useful.

If you want a simple definition, keep this one: a blog is a website with ongoing written posts, updated over time. If you can publish an article, label it, and build an archive, you have a blog. That’s all it takes to start, and you can shape the rest to match your goals.

For SEO, blogs matter because they give you fresh pages to index. Each new post can target a specific topic, answer a specific query, and attract readers who care about that subject.