The Like button is a way for people to show their appreciation for your posts.
You can activate the Likes button by following these steps:
- Go to Jetpack -> Sharing in your Dashboard.
- Scroll to the Like buttons section near the bottom of the page.
- Click the button next to “Allow readers to show their appreciation of your posts by adding a like button to your content” to toggle it on. The button will turn blue.
Since Likes is a feature is unique to WordPress.com, your readers will need to be logged in to their WordPress.com account to be able to Like one of your posts.
Disabling Likes for Specific Posts
If you’d rather, you can turn off the Like button for specific posts. When editing a post, find the Likes and Shares section near the bottom (you might have to scroll down to find it).
You can then uncheck the box to disable the “Show likes.” option for that post only. When you’ve set it, either publish or update your post to save the change.
When you turn on the Likes module, Jetpack will automatically send you an email whenever someone likes an item on your site. To turn off these emails, go to Settings -> Discussion in your Dashboard menu (not to the Settings -> Discussion in your Jetpack menu) and uncheck this box: