"Y Guess" is a great business name for a company or an app that gives you answers to all your guesses.
The name "yguess" has only six characters and just two syllables. Two-syllable names are exceptionally rare and very prestigious. Leading companies using two syllable names include Starbucks, Google and Buffer.
This domain was first registered in October 2004. Older domains have an advantage when ranking in search engines.
Yguess.com is a dot-com domain. Dot com domains are the most valuable top-level-domain in the world, famously used by websites like facebook.com. When most people think of a website, they think of a dot-com.