Chapter 9. Testing and optimization for responsive websites

This chapter covers

  • Responsive testing
  • Why optimization is crucial to building responsive experiences
  • Using web inspectors to improve site performance
  • Tips on improving performance

So far we’ve used HTML and CSS to build a responsive website that adapts to changing viewports. We’ve discussed how to add images and media to a responsive site and how to prevent failure in older browsers. All of this has added a lot of extra work for both designers and developers. For developers, the endeavor can be greater because achieving responsiveness in sites involves adding extra content and functionality to pages, and this introduces one of the biggest challenges of responsive web development: ...

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