The answer is 1) JPEG 2) TIFF 3) BMP. <span>The best option that should be considered when preparing these images to.be used for the web : </span>1) JPG (jpeg) - Used to compress web images to a small file size without sacrificing quality 2) TIFF (tiff) - Used for professional print images to save in a uncompressed file format at high resolution. 3) BMP - Used for either web or print because of the ability to save high quality images ether compressed or uncompressed.
Simple and easy user interface design can help the users understand what they can do on the website, without confusion when they are loading on the website.
Best practice on the users experiences can help the users to visit the website easily and get what they want as fast as possible. It is the way to improve a website understandability.