by Anton Likhnekevich - July 01, 2019

With no hesitation, Hashtag is a wonderful tool. Using it, users are able to organize the informational chaos of social media networks and get the necessary data from the background noise. In addition, digital marketers use hashtags to convey information to the target audience. In this article, you will learn how hashtags work in different social media networks.

Facebook Hashtags

Facebook supports hashtags created using letters, numbers, and underscores. Other characters are placed outside the label.

If you click on the hashtag or enter it into the search box, posts with the appropriate label will appear in the feed.

Useful information:

To keep messages from looking spam, use no more than three-four tags for each post;
Include your business name or keywords in a hashtag;
Do not use popular hashtags that are not related to the content of your posts - this is not hijacking, this is spam!
Use hashtags in your Facebook ads.;

Twitter Hashtags

Twitter does not allow to use special characters for hashtags: +, $, &,% and others. The hashtags can include letters, numbers, and underscore. The microblogging service does not limit the number and length of hashtags. The length of the message should not exceed 280 characters.

Several years ago, when searching for hashtags, results were divided into two groups: all messages and popular messages. Now there is no such separation.

Useful information:

Hashtags do increase the visibility of Twitter messages, and participation in group chats is considered as the most efficient way to use hashtags;
The most popular ones include hashtags related to any events, for example, concerts, conferences;
With Hashtagify service, you can search for popular hashtags, as well as define hashtags that are close in meaning;
The TwChat service allows you to create chats or participate in on-going discussions regarding chosen hashtag.

Instagram Hashtags

In Instagram, you can create a hashtag using letters, numbers, and underscores. Special characters are not allowed. You can add up to 30 hashtags to one photo. Post can be marked even after publication. If you use actual and popular tags, the visibility of publications on Instagram increases dramatically. Thanks to this you can quickly increase the number of subscribers.

Useful information:

The most popular hashtags include tags that are tied to places and geographical objects. For example, you can use the tags "NYC", "Boston", "Harvard", and etc.;
With the help of the Keyword Tool service you can identify the most popular tags on Instagram for any topic;
Since 2017, Instagram introduced an opportunity to be a follower of a hashtag.

Pinterest Hashtags

Pinterest does not limit the number of tags to the publication and their length. Hashtags can be published only in the description of the post. In the hashtags label, you can use letters, numbers, and underscores.

Useful information:

When you use a hashtag in the description, users can click on it to find related content.
Using a hashtag does not guarantee to index.
Hashtags are clickable on mobile devices, and 75% of Pinners use them to work with the network.
Do not use a lot of hashtags, as it is doing on Instagram. This can reduce the position of your Pin in the search results.

YouTube Hashtags

Tags can be added to video descriptions. However, It is not recommended to use more than 15 hashtags to one record. After publication, hashtags become clickable. With the help of tags, users can quickly search for theme related videos.

Where Hashtags are Relevant?

On every social network that supports this feature. Tags are actively used by users of Instagram and Twitter. Twitter restricts the length and number of hashtags by the number of characters in the message. Instagram allows to use up to 30 tags to one photo. YouTube does not recommend using more than 15 hashtags. In other networks, there are no restrictions on the use of tags.