Adding Twitter card markup tags help increase engagement and CTR.
Why Twitter Card Tags Matter?
Drives engagement and traffic via Twitter
Displays more then just data from a Tweet share, allowing your page to stand out of
the crowd.
How To Fix Your Twitter Cards Issues
Ensure your Robots.txt isnt blocking Twitter from accessing your page
If your Tweet is missing data that should have been provided by the Twitter
Card,
run the URL through the Twitter Card Validator and
click the request approval button.