There are many different types of websites designed by web designers, including: 1) Online buying sites like Amazon and eBay where registered users can buy and sell products online without leaving home. 2) File, photo, and video sharing sites like YouTube, Flickr, and Slideshare where users can upload and share various media for others to view and download. 3) Cloud hosting is well-suited for large websites with fluctuating traffic levels, seasonal sites, and growing sites as it allows resources to be allocated and removed as needed in a scalable and cost-effective manner.