Well the simple answer is look at what the website claims to represent. www.alexa.com is your tool in hand to view all the stats.
Let's look at a couple of sites like this one.
Statistics Summary for forumosa.com There are 80,224 sites with a better three-month global Alexa traffic rank than Forumosa.com. Visitors to the site spend roughly 46 seconds on each pageview and a total of four minutes on the site during each visit, and it is based in Taiwan.
The number one search on forumosa!!!!!!!!!!! High Impact Search Queries for Forumosa.com How to make your fake degree template oh yeah baby awesome
Query Impact 1 degree template High
Highest number of users are single woman between 25 - 24 with no children. Yes its proven there are 630,000 single woman who need to get attention from the men on the flob. Even if they are already hitched up they hang out their educational qualifications MBA. And you really thought it meant some higher form of education but it really means Married But Available ( at least for some one night quickies )
Now Taiwanease on the other hand has the most women on shoping sprees. Where's my wallet damn it?
High Impact Search Queries for Taiwanease.com
Query Impact
1 taiwan shopping online High
2 online shopping websites High
3 online shopping High
4 shopping online Medium
5 taiwan shop online Medium
6 party supplies Medium
7 taiwan Medium