PHP and MySQL Web Development - P60: PHP and MySQL Web Development teaches the reader to develop dynamic, secure, commercial Web sites. Using the same accessible, popular teaching style of the first edition, this best-selling book has been updated to reflect the rapidly changing landscape of MySQL and PHP. | Types of Commercial Web Sites 267 What happens if a purchaser is not satisfied with a purchase Under what circumstances will you give a refund Who pays for shipping Mail order retailers have traditionally had more liberal refund and return policies than traditional shops. Many offer an unconditional satisfaction guarantee. Consider the cost of returns against the increase in sales that a liberal return policy will create. Whatever your policy is make sure that it is displayed on your site. Should customers entrust their credit card information to you The single greatest trust issue for Internet shoppers is fear of transmitting their credit card details over the Internet. For this reason you need to both handle credit cards securely and be seen as security conscious. At the very least this means using SSL Secure Sockets Layer to transmit the details from the user s browser to your Web server and ensuring that your Web server is competently and securely administered. We will discuss this in more detail later. Ease of Use Consumers vary greatly in their computer experience language general literacy memory and site needs to be as easy as possible to use. User interface design fills many books on its own but here are a few guidelines Keep your site as simple as possible. The more options advertisements and distractions on each screen the more likely a user is to get confused. Keep text clear. Use clear uncomplicated fonts. Do not make text too small and bear in mind that it will be different sizes on different types of machines. Make your ordering process as simple as possible. Intuition and available evidence both support the idea that the more mouse clicks users have to make to place an order the less likely they are to complete the process. Keep the number of steps to a minimum but note that has a . patent3 on a process using only one click which they call 1-Click. This patent is strongly challenged by many Web site owners. Try not to let .