Try our third KS3 ICT quiz on web publishing. Websites are written using HTML. Web pages and websites can be static (always show the same information to every visitor), or can be programmed to be dynamic (pages that automatically change content or visual appearance depending on a variety of factors and who is visiting). Dynamic pages are written using other types of computer language but these all generate HTML. The web browser on a computer converts the HTML into what you see as a web page.
The speed at which a browser can convert the HTML code into a web page is important. It is said that if a web page does not load within 8 seconds, the visitor is likely to go to a different one. Loading speed depends on the speed of the internet connection (bandwidth) and the web page itself.
[readmore]Pages using large, high quality images, rollovers, social media feeds etc will be slower than a page of text. Web designers optimise images to speed up how quickly they load. They reduce size and quality to the lowest possible level for a good result. On pages needing many images, they use thumbnails. These are much smaller and lower in quality than the original, often linked to the full-size image by a hyperlink.
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You can find more about this topic by visiting BBC Bitesize - Internet communication
A computer can only 'read' HTML by using browser software which decodes the HTML
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Writing HTML is referred to as coding a web page
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Browsers come and go but this isn't one of them - yet!
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You use image editing software to make a small lower quality copy of the larger image
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A thumbnail image can load in a fraction of the time taken to load larger images but as internet connection speeds get faster, this is less of a problem
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The animated gif is put together in a graphics editor and it is effectively a mini-film
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The image in each frame is slightly different to the one before it
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These are usually used as 'buttons' to indicate that if you click on the graphic, something will happen
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Websites are one of the things stored on servers
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Many businesses have an intranet so that employees can access a wide variety of data kept on the company computers
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