A small stock tracking website collects stock buy and sell information from many mutual funds. It produces percentages of buy/sell of any stock by all mutual funds within a certain period of time. Besides just presenting these numbers as pure text, the web site wants to put them in charts for better appearance.
Google Chart API is a good candidate solution for this problem. It generates static chart images which can be easily integrated to any webpage. The website just needs to prepare the input data (the percentages of buy and sell) and configure a few setting on its style. A chart is prototyped as following:
Built upon this, the website also provides a dashboard-like page for all Dow 30 stocks.
Compare to other solutions, this is easy to use and implement. Such an API saves the development and maintenance effort. It also saves computing power and bandwidth. The application can be nicely integrated to the website. Service speed is also satisfying.
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