We can create a Twitter share hyperlink just like what we did for Facebook share as we mentioned before.
Create Facebook Share hyperlink for specific URL

For Twitter sharing, it can be done as follow.

http://twitter.com/intent/tweet?text=<tweet>&url=<url>

Try the following link.
http://twitter.com/intent/tweet?text=About+Eureka!&url=https://eureka.ykyuen.info/about

Check it out.

Done =)

Reference: Creating “Share This on Facebook/Twitter” Links