For every online purchases made in the UK, the retailer has to give a discount to get more sales. According to the retailers there are two purposes of the online discount code-
Initially the most obvious purpose is to encourage the visitors to complete the payment transaction online. The voucher that they are using acts as an incentive for the customer and also they offer free shipping or something similar. Get House of Fraser latest arrival and offers on all the beauty products through discount vouchers at various online sites.
Secondly, the voucher is used for the advertising activities to aware the new customers to their website and encourage them to purchase using the code so that they become aware about your services and products.
An example of this is a promotion from the people at a popular gadget retailer shop. On every festive season they print a catalog for the advertisement purpose with a voucher promotion. Every customer that buys a gadget gets a discount of at least 30% making it very tempting to buy products online and select the latest gifts and gadgets.
The other phenomenon that is used in the online voucher is the discount code site. Many websites have popped up that offers various discounts to the customers on almost all the products.