"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 letters and only two syllables. Two syllable names make popular global brands. Two syllable names are used by established brands like Walmart, Kleenex and Walgreens.
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 domain extension in the world, famously used by websites like youtube.com. Once secured, a dot com all but guarantees no-one else can outrank you for your own name in the long run.