Brandable domain name based on the word "stack" (which in computing is "a data structure used to store a collection of objects").
The name "stacksa" has seven letters and only two syllables. Two syllable names make popular global brands. Successful brands using two syllable names include Honda, Buffer and Facebook.
Stacksa.com is a .com domain. Dot com domains are synonymous with websites. A .com is the first thing people think of when they think of a website.
This domain was first registered in December 2014. Older domains have an advantage when ranking in search engines.