Twitter Widget to show your tweets. Specify your twitter widget code,see following screenshots to get twitter widget code.
Go to below link to Create a Twitter Widget for Live Content at Twitter Widget
https://twitter.com/settings/widgets/
Click on Create New, After that, below snapshot is appear
Provide the Username and Domain of the sites where you'll be embedding this timeline.then Click on Create Widget
After Create, below snapshot is appear
Copy and paste the code into the HTML of your site.