This can be easily determined away from site statistics, the only trick is understanding how long it should take anyone see a raise in web page visitors.
For example a large website promoted by us, has 10,300 pages listed within Google. http://Trannybeat.com/cgi-bin/a2/out.cgi?id=27&u=http://hasitec.com.vn/index.php?language=vi&nv=news&nvvithemever=t&nv_redirect=aHR0cHM6Ly9MYXVuY2hoYXBweS5jby9ndWlkZXMvaGlyZS1hLXNxdWFyZXNwYWNlLXNlby1leHBlcnQ