What are some alternatives?
Grabify - Create or track URLs
Bitly - Get the most out of your social and online marketing efforts. Own, understand and activate your best audience through the power of the link with Bitly Enterprise.
Ethereum URL Shortener - Write URLs to Blockchain forever ⛓
YOURLS - YOURLS is a website that contains all the tools you need to create and launch your very own URL shortener. URL shorteners like bitly or TinyURL are fine for public use, but they offer limited options in terms of URL customization.
Alice - Alice is used to teach students how to code.
Kutt.it - Kutt.it is a free and open source URL shortener with custom domains and stats.