Here are some general rules to keep in mind when using hashtags on Twitter:

Use the “#” symbol before a keyword or phrase to turn it into a hashtag. For example, #MondayMotivation or #TravelTips.

Don’t use spaces or special characters in your hashtags. If your keyword or phrase contains more than one word, run them together without spaces, such as #ThrowbackThursday or #SocialMediaMarketing.

Use hashtags that are relevant to your tweet. Don’t just add popular or trending hashtags if they don’t relate to your tweet. This can be seen as spamming or trying to game the system.

Don’t overuse hashtags in a single tweet. Using too many hashtags can make your tweet look spammy and make it harder for others to read.

Consider using branded hashtags for your business or campaign. This can help increase your brand’s visibility on the platform and encourage user-generated content.

Keep in mind that using a hashtag doesn’t automatically make your tweet visible to everyone who searches for that hashtag. The Twitter algorithm shows tweets based on a variety of factors, including recency, engagement, and relevance.

You can click on a hashtag to see other tweets that also use that hashtag. This can be a great way to discover new content and connect with other Twitter users who share your interests.

Some additional rules and suggestions to help you improve your use of hashtags on Twitter:

1. Research hashtags before using them. Look for hashtags that are relevant to your topic, have a large following, and are actively being used by others. You can use tools like Twitter’s own search function or third-party tools like Hashtagify or RiteTag to help you find relevant hashtags.
2. Participate in Twitter chats. These are organized conversations around a specific hashtag that take place at a designated time. Participating in Twitter chats can be a great way to connect with others who share your interests, and increase your visibility on the platform.
3. Use trending hashtags when appropriate. Keep an eye on the trending topics on Twitter and join in the conversation if it’s relevant to your business or brand. This can be a great way to reach a wider audience and gain more visibility.
4. Create your own branded hashtag. If you’re running a campaign or event, consider creating a unique hashtag that people can use to follow and engage with your content. Be sure to promote your branded hashtag across all of your social media channels to encourage participation.
5. Don’t overuse the same hashtags. Using the same hashtags over and over again can make your tweets look repetitive and spammy. Switch up your hashtags regularly to keep things fresh.
6. Use hashtags in your bio. You can add hashtags to your Twitter bio to help others find you based on your interests, skills, or location.
7. Be mindful of the length of your hashtags. While Twitter allows for up to 280 characters in a tweet, you don’t want your hashtags to take up too much space. Keep your hashtags short and to the point, ideally around 10-15 characters.