Speed Metrics Guide: Choosing the Right Metrics to Use When Evaluating Websites

© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2024

M. EdgarSpeed Metrics Guidehttps://doi.org/10.1007/979-8-8688-0155-6_6

6. Time to Interactive and Total Blocking Time

Matthew Edgar¹  

(1)

Centennial, CO, USA

 

After the browser paints the page’s first content, the browser still needs to paint the remainder of the content. Before it can paint an additional pixel, though, the browser needs to continue doing the work discussed in the previous chapters. That includes executing additional JavaScript, calculating layout changes, and loading additional resource files. While the browser is doing this work, visitors have begun to see elements appear on the page and, seeing these elements, visitors will want to begin ...