How Do You Know the Price of Your Website or Blog?

Did you search about the price of your website or blog?, If you do not ; today you will try that, domainvalue.congland.com offers you this service for free, And You can knowing the level of your site if you are thinking of selling in the future.
The Website:
http://domainvalue.congland.com/

How do I use the site?

After entering the site, follow the image...

Facebook is valued at $44,281,127,214  :O

Google  is valued at $43,672,791,316 *.*

Now, tell me about value your site!