Nowadays, the online web-based auction system has become extremely popular component in the electronic marketplace. A practical case study will be introduced in this work to highlight the best practices for analysing and designing an online web-based auction system. The proposed Online Web-Based Auction System (OAS) was designed and implemented. Online auctions are a main component of the electronic marketplace that makes use of electronic commerce mechanisms. Auction systems are a main constituent of the electronic marketplace, it allows users at any place to buy and sell products. The sellers are able to set up auctions for any product they have and the bidder who bids the top amount gains the right for purchasing the auction product. E-Auction is to develop a user-friendly auctioning site where any kind of product can be auctioned and provide value-added services to the bidders and the sellers. The products will be authenticated and the site provides a safe environment for online users. The manual system gives us very less security for saving data; some data may be lost due to mismanagement. It does not have the facility of sharing data among the users. It is not providing secure registration and of all the users.

Keywords: Buyer, Seller, Bid, Action, MERNS