1. Does the user benefit from the same appearance? Not so. Most users use only a single browser, so they view the site in just one way. They don't care what the site looks like in other browsers.
2, the same appearance can better maintain the company's brand image? Not The company's brand is established through style, color, trademarks and logos used and representations.
3. Sites encoded using WEB standards can be browsed in old browsers and new browsers. Just in old browsers, sites don't look pretty enough-more like the early text-based sites of the 90-but content is available, readable, and accessible.
4. Improving your Web site by leveraging Web standards and relaxing some appearance requirements can significantly reduce maintenance time, enhanced time, and bandwidth usage.
5, looking for a close enough appearance across browsers rather than the exact same look helps simplify the complexity of the Web site's formatting.
6, to understand the layout of the site and the need to make changes in the convenience of the two between the weight and the light.
Theory excerpt from: "Quality factor: Comparing the appearance and function of Web site"