The name "paside" has only six letters and only two syllables. Two-syllable names are exceptionally rare and extremely prestigious. Established brands using two syllable names include Delta, Kleenex and Subway.
This domain was first registered in November 2016. Older domains have an advantage when ranking in search engines.
Paside.com is a dot-com domain. Dot com domains are the most desirable top-level-domain in the world, famously used by websites like youtube.com. When you own a dot-com, it is much easier to rank for your own name in search engines.