Page load time histograms

An example of multiple pie (donut) charts created with D3. The data is represented as a tabular array of objects; each row in the table is mapped to an arc, and rows are grouped into pie charts using d3.nest.

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<!DOCTYPE html>
<html>
  <head>
    <meta http-equiv="Content-Type" content="text/html;charset=utf-8"/>
    <title>Page load time histograms</title>
    <script type="text/javascript" src="https://cdn.jsdelivr.net/npm/d3@2.4.2/d3.js"></script>
    <script type="text/javascript" src="https://cdn.jsdelivr.net/npm/d3@2.4.2/d3.csv.js"></script>
    <script type="text/javascript" src="https://cdn.jsdelivr.net/npm/d3@2.4.2/d3.layout.js"></script>
    <style type="text/css">
​
body {
  text-align: center;
  padding: 0.5em;
  margin: 0;
}
​
svg {
  font: 10px sans-serif;
}
​
    </style>
  </head>
  <body>
    <script src="vis.js"></script>
  </body>
</html>
​
    

Modified http://mbostock.github.com/d3/d3.js?2.4.5 to a secure url

Modified http://mbostock.github.com/d3/d3.csv.js?2.4.5 to a secure url

Modified http://mbostock.github.com/d3/d3.layout.js?2.4.5 to a secure url

https://mbostock.github.com/d3/d3.js?2.4.5

https://mbostock.github.com/d3/d3.csv.js?2.4.5

https://mbostock.github.com/d3/d3.layout.js?2.4.5