Let's face it - everyone loves a good pie chart! Using charts makes information much easier to visualize. It is easier to see a pattern in a chart, but much more difficult when looking at raw data. In fact, there are loads of different web based charting solutions available to us as developers. Finding a solution that isn't too complicated or requires you to pay for commercial use can be a bit tricky.
To give you an idea of what the charts look like, the example below is a standard line chart.
Another example using the pie chart.
In terms of web performance, Chart.js is super lightweight and comes in at just 11.01kb. Another added bonus is that Chart.js is responsive and will resize your chart depending on the device that you are serving.