because the 'u' in URL is actually a consonant *sound* it is only correct to write "a URL" sorry this is a bit nitpicky :P https://english.stackexchange.com/questions/152/when-should-i-use-a-vs-an https://www.techtarget.com/whatis/feature/Which-is-correct-a-URL-or-an-URL Closes #9699