1. Freshen up the bio
Treat your twitter profile like a SEO booster.
2. Update the profile picture
Tip: The recommended dimensions for a bio image is 400×400 pixels.
3. Create a custom header image
Tip: The recommended dimensions for header image is 1500×500 pixels.
4. Organize followers with lists
Truthfully, I have not mastered this one yet. It is one of the things I know I should do to help me scroll through tweets in a more organized and efficient manner.
5. Follow customers and influencers
Rule of thumb, follow to be followed.
6. Review analytics and make adjustments
Use the data Twitter provides to make adjustments to your content and posting schedule.
7. Pin a Tweet
Could a Tweet use a bit of a boost? Want new followers to see a particular Tweet? Pinning a Tweet allows you to position a static Tweet at the top of your Twitter feed.
8. Discover new content
Follow the Twitter account called @MagicRecs.
9. Test new features
Twitter has made it super easy to Tweet short videos through an app called Periscope. Periscope is an app that lets you share and experience live video from your mobile phone.
Via https://blog.dlvrit.com/2015/06/twitter-audit/