Choose a domain name (website URL address) that people can remember easily and choose wisely (and appropriately) whether you will use .com, .net, or something else like .com.my.
2. Web Hosting Server
Choose a reliable web server and look at how much capacity you need for store the content and images
3. Web Technology
What is the purpose of the website: business, corporate, e-commerce shopping cart, etc.
5. Layout & Color
Color affects the 'feel' of your site. Neat layout is always preferred. Don't forget about footer too!
6. Site Map
Clear Website site map & flow chart.
7. Web Content
Your website has to provide a good and informative content to the users. Target certain keywords to rank high in search engines. The type of content like language, picture, video, etc have influence of how fast or how slow that website will load.
8. Target Audience
You have to know who your audiences are, then you can build content that attract them.
9. Online Advertisement
Don't put too much advertisement in your website. If it is not necessary, don't put it there.
10. Pop Up Message
Prevent pop up messages. It is the most annoying type of advertising because of slow loading and sometimes you can't close it.
11. Attractive Design
Good website should be simple, yet professional.
Make an eye catching buttons and "Call to" action button like buy now or download now. Try using bright colors like orange or yellow.
You can choose from a clean look, colorful look, or you can consider patterned background too.
Choose image carefully as it will create a lasting impression for everyone, so you want it to be a good and memorable.
15. Easy Navigation
Users can easily find what they are looking for.
There are so many good website out there, but you have to make your website stand out from the other.
17. Fresh Content
Keep your website up-to-date to keep visitors coming back.
18. Search Engine Optimized
A good website has to be search engine friendly. It means it is easy to find your website in the search engine.
19. Cross Browser
A good website has to be able to be viewed properly in all types of modern browser, example: Google Chrome, Mozilla Firefox, Safari.
20. Screen Resolution
Formerly, web design made 980px in width. But as responsive web design is getting popular a site can be designed up to 1230px in width.
21. Social Media
Integrate social media to your website to facilitate easy content sharing.
Choose your typography. Legible font is definitely important. You don't want people to squint their eyes when reading your text.
23. Online Registration
If visitors have to register to interact with your website, give them advantages when they do.
24. Tracking & Analytics
With it, you can monitor how your website goes and how to optimize it. Website statistic is need.
25. Provide Security
Visitors have to feel safe when they leave their information in your website. Especially when they have to register their contacts details or credit card number.