bit.ly

Bit.ly is the world's most popular technology product for the shortening, sharing and measurement of links. By using bit.ly's technology both consumers and businesses can distribute their content (and content they wish to share) via volume-constrained formats such as Twitter, SMS messages and others. Bit.ly provides a suite of enterprise products for businesses that enable them to brand all their shortened URLs across all platforms and provide them with reporting and analytics about performance and engagement with content.