We have existing POS (point of sale) software that we have developed but are looking to convert it (or re-design another version) that can run through web pages from a hosted web site.
Our concern is that it will be to slow as during busy periods the software needs to respond quickly to the button pushes and even a half second delay on each button may result in a 5 second delay int he over all transaction which is to slow. There can sometimes be multiple button pushes for each transaction for example a person buys drink, roll, and salad which was 3 buttons then payment method selected, denominations used, change etc.
If this cant be achieved completely through the web pages is there a way that at initializing parts of the application are pulled from the page into local memory so only minimal information is called from or written to the hosted site. Open for suggestions on how best to achieve what we are after here.
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