Connection speed• Dial upWhat is it – Dial up connection is a form of access to the Internet, dial up uses the features of the telephone network and allows you to connect to the Internet through the lines telephone, dial up connectivity is often the only available for rural or remote areas for remote connection you need a modem if you use the telephone, the Internet connection will be lost until a few minutes after you put the phone down. Dial up is around 150 times slower than broadband, this means that web pages will take minutes to load rather than seconds, if you try to watch a video on dial up the web page will most likely say it can't be viewed or it will run a lot slow and will have very bad quality, for example the audio will not move with the image and the video will be buffered a lot. Dial-up speed is 56kbps • Broadband What is it: Broadband is used by most people in the UK through different internet service providers, different providers offer different speeds at different prices if virgin offered £10 per month for a certain speed, another company might offer it for more or less than virgin for the same speed. The advantages of broadband are that you can access many more websites without problems, you will also be able to watch content without buffering or without playing it at all. This makes broadband performance much better than dial-up because not only will you be able to access more, but you will also be able to be online while your home phone is in use. Broadband speed ranges from 16 MB up to 38 MB • Mobile (EDGE,3G,4G)Edge, 3G and 4G allow people to use the Internet on the go via mobile phones, tablets and other Internet-accessible devices.EDGE – EDGE stands for Enhanced Data r...... middle of paper ......format web designers must create a web page to allow the different formats for video, sound and images, otherwise the system may crash browser or web page. If the website does not allow a certain file type, it will not work and you will receive an error message. Different file types do different things, and if you have an image in a certain file type you may be disappointed with the image example. GIFs are made up of just 256 colors and are good for compressing simple images, while JPEGs are better for photographs because they have millions of colors, so they are optimized for more complex images. Additional Technologies Ajax is a group of technologies and techniques used on the client side to create web applications that can send and retrieve data from a server without interfering with the display and way the existing page works.