1) Click "Order History"

2) Find out the order and View detail (blue button)

3) Copy the tracking number and then check on 17track or Track718 (Mostly for EU countries)

4) Sometimes for longer tracking code ( 26-30 digits be be checked on 17track as well )

5) Reference:

[FedEx : 12 digits]

[DHL : 10 digits]

[UPS/USPS: 26-30 digits]

[Wanb Express: 17 digits]

Click here for a more detailed tutorial