URL starter Crossword Clue

 The answer to the crossword clue "URL starter" is HTTP.

HTTP is the Hypertext Transfer Protocol, which is the protocol used to transfer data between web servers and clients. It is the foundation of the World Wide Web, and is used to access all websites and web applications.

HTTP URLs start with the prefix http:// or https://. The s in https:// stands for "secure", and indicates that the connection is encrypted.

Here are some examples of HTTP URLs:

http://www.google.com/

https://en.wikipedia.org/wiki/Main_Page

https://www.amazon.com/

I hope this helps!