Whether you’re a social media newbie or a seasoned pro, hashtags can be a powerful tool for businesses looking to increase their online presence. Let’s start by defining hashtags. A hashtag is a word ...

Understanding the Context

A post (tweet) on the social network X (Twitter) with several hashtags colored in blue text. A hashtag is a metadata tag operator that is prefaced by the hash symbol, #. Simply put, a hashtag is an easy way for people to categorize, find and join conversations on a particular topic. The hashtag is used to highlight keywords or topics within a Tweet, and can be placed anywhere within a post.

Key Insights

Find the best Instagram & TikTok hashtags in 2025 to boost likes, reach & engagement. Stay on top of trending U.S. hashtags now! The word hashtag, used to refer to the symbol (#) in Twitter, is a combination of the word hash from hash mark and the word tag, a way to mark something as belonging to a specific category. Why is the symbol # called the hashtag in Twitter?

Final Thoughts

| Britannica Dictionary A hashtag is a word or phrase preceded by the “#” sign. Hashtags are searchable and serve a similar role to keywords. A hashtag is a word or phrase preceded by the hash symbol (#) used to categorize content, boost discoverability, and connect posts around a common theme. Widely used across social media, hashtags help brands and creators reach new audiences and join trending conversations. A hashtag is a word or phrase preceded by the # symbol that categorizes content and makes it discoverable across social media platforms. There are five core types of hashtags: branded, trending, niche and community, campaign and location and event—each serving a distinct strategic purpose.