It depends! Normally, the percentage that you can save with that tutorialspoint Coupon will be shown right on the page, so you can see if it is applied sitewide or not. However, once you are not sure, try it right on their's products you want to buy.

Yes. Coupons for each Discount Event of tutorialspoint will be collected here while being updated day by day. Sometimes, there will be deals not updated promptly but it's rare, we expect sympathy from you. 

Shoppers can get coupons for their first purchase at the store. However, it is not all the time, sometimes, they cannot apply a discount on items selling out or items not contained in the promotion program. It depends on the time you shop at tutorialspoint.

All deals from Promotion Programs of tutorialspoint are collected here. For each certain occasion, its coupons will be on the top of the coupon list, and surely they always come with an expiry date.