Is server or client processing better for charts and graphs?
Webmasters are frequently required to serve up charts and graphs to clients. Part of the planning for such images involves a decision about whether to process the chart on the server or at the client end. Of course, it depends on the circumstances. There are costs and benefits to both approaches. The generation of a chart at the server involves the creation of an image such as a .png file and then displaying this file as part of the delivered page. Prior to the image creation a script must set up the data points and the axis labels, switch on colours, create a legend, size the picture, and send it out.
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