https://www.udemy.com/wordpress-seo-tips/?couponCode=FIRST100USERS
Update:
https://www.udemy.com/wordpress-seo-tips/?couponCode=JAN2500

It also did not work,any new coupon pls?
Use new code: 200FREECOUPONS
This worked for me.
New coupon:
https://www.udemy.com/wordpress-seo-tips/?couponCode=200FREECOUPONS
What a timing...

Bump for a new coupon....
It also did not work,any more new coupon pls?
New coupon:
https://www.udemy.com/wordpress-seo-tips/?couponCode=500FREECOUPONS
