Mastodon

Add feature hash tags when publishing.

https://mastodon.social/@nayab Go to https://fosstodon.org/settings/featured_tags and add feature hash tags https://fosstodon.org/@nayab

ToDo : How Mastodon toots work? Whether toots support hashtags. Is there any other way people search for content on Mastodon?

Facebook page

https://www.facebook.com/nayab.xyz/

Add the hashtags while posting.

Is there any other way to use facebook page?

Twitter page

https://twitter.com/nayabbashasayed

How to use hashtags

Pinterest

https://in.pinterest.com/

Google Hub

https://questionhub.google.com/

Search for the topic you have written, add category about it. If there are any questions related to that, link the post there.