An important part of learning is building connections and relationships with one another. When teaching online you may need to leverage different tools to help with this. Let's look at the difference between face-to-face and online.  See the video
Face-to-face students have regular opportunities to connect because they are in class together.
Each of these social and collaboratve tools can help you achieve different purposes. Check with your university for available tools, or look into other widely available options.
Voting activities are a good, quick way to gauge understanding of the class. Online there are a variety of tools to create instant forms of response.  See the video
Online students need a space to chat more broadly and build connections with each other. In the online space this often takes place in a discussion forum which you can add to your course and call the "Watercooler".  See the video
Student conversation in class isn't always about the course objectives. Students also discuss day-to-day events.
Watercooler discussions might include students sharing tips about:
Don’t forget to participate in this social space yourself!
Scheduling "check-ins" is one way to be flexible and responsive to your students’ needs. Needing to schedule these is an element that differs from teaching face-to-face where you can check-in with your students more easily.  See the video
You have a lot of ways to check in with your students and to pick up nonverbal communication cues.
Communication online is often provided in written form. Try scheduling in alternative to text using one of the following:
Online it can be easier (and faster) to explain an idea verbally.  See the video
In class students share ideas verbally or work through a problem on the board together. These brief videos will allow you to see where students are getting stuck and where you can offer support.
Students can accomplish the same goal by using video to collaborate and share their ideas. Try one of the following: