Ignoring basic and fundamental web design and web development practices by web developers will retract visitors of the website in initial minutes only. Bad website design can result in loss of target customers to other competing websites. While taking up web development process, aim to build websites that can score well on SE criteria and are visually pleasing as well. Website can become a dead investment if proper Search Engine Optimization is not carried out. 
To differentiate between profitable and non profitable web design for online business has various criteria that can help you make decisions. 
A good website design practice utilizes the home page to present clear and precise information on the services of the business. Website should provide organized and crisp look with well formed navigation. Home page becomes messy with irrelevant information and hence all such information should be avoided. The links and experience of home page should tempt the customers to visit the site again and again. The design or the layout of the page must not be messy so as to misguide or confuse the users and restrain them from further visiting the website. This will eventually lead to a loss for the company.
Proper care should be taken by web developers to avoid grammatical errors or spelling errors in the web site content. The relevant information can be formatted as articles, blogs, information or case studies. These should portray and promote the services and products offered along with their features and advantages. For better search engine optimization targeted keywords should be used in the content. Well planned web design or web development requires considerable time and patience. 
Performance of the website should be one of the important factors in web design. Experienced web developers are capable of building high performance websites using latest website design technologies. Often having large number of images or videos takes extra time to load and interfere with page performance. Fonts and color schemes adopted should be eye-appealing and easily understandable. Web development team should take appropriate measure to have clean and clear code. Search option, if any, should provide quick results. Professional web development requires that the website is compatible with most of the browsers available. Having a good and attractive design, the website must also function appropriately as it is desired to.
Make sure that all the navigational links in the website are functional. Texts used for links should be expressive and attractive. The web design can consider having a navigational menu installed that site visitors can use to access any part of the website. Web Design