Phát triển web với PHP và MySQL - p 31

Running an E-commerce Site CHAPTER 12 275 Compatibility Be sure to test your site in a number of browsers and operating systems. If the site does not work for a popular browser or operating system, you will look unprofessional and lose a section of your potential market. If your site is already operating, your Web server logs can tell you what browsers your visitors are using. As a rule of thumb, if you test your site in the last two versions of Microsoft Internet Explorer and Netscape Navigator on a PC running Microsoft Windows, the last two versions of Netscape Navigator on a. | Running an E-commerce Site 275 Chapter 12 Compatibility Be sure to test your site in a number of browsers and operating systems. If the site does not work for a popular browser or operating system you will look unprofessional and lose a section of your potential market. If your site is already operating your Web server logs can tell you what browsers your visitors are using. As a rule of thumb if you test your site in the last two versions of Microsoft Internet Explorer and Netscape Navigator on a PC running Microsoft Windows the last two versions of Netscape Navigator on a Apple Mac the current version of Netscape Navigator on Linux and a text-only browser such as Lynx you will be visible to the majority of users. Try to avoid features and facilities that are brand-new unless you are willing to write and maintain multiple versions of the site. Providing Services and Digital Goods Many products or services can be sold over the Web and delivered to the customer via a courier. Some services can be delivered immediately online. If a service or good can be transmitted to a modem it can be ordered paid for and delivered instantly without human interaction. The most obvious service provided this way is information. Sometimes the information is entirely free or supported by advertising. Some information is provided via subscription or paid for on an individual basis. Digital goods include e-books and music in electronic formats such as MP3. Stock library images can be digitized and downloaded. Computer software does not always need to be on a CD inside shrink-wrap. It can be downloaded directly. Services that can be sold this way include Internet access or Web hosting and some professional services that can be replaced by an expert system. If you are going to physically ship an item that was ordered from your Web site you have both advantages and disadvantages over digital goods and services. Shipping a physical item costs money. Digital downloads are nearly free. This .

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