11 Performance is key

This chapter covers:

  • Examining how to measure performance when multiple micro frontends exist on one page
  • How to find regressions and bottlenecks and attribute them to the right team
  • Typical performance drawbacks that are consequential to the micro frontends architecture
  • Reducing the amount of required JavaScript by sharing larger vendor libraries across teams
  • Implementing library sharing without compromising team independence

In 2014 my colleague Jens handed me an article 1 written by a company that implemented a vertical style architecture. Back then, the term micro frontends didn’t exist. Being a frontend developer who takes pride in delivering fast user experiences, my first gut reaction to this idea was rejection--strong ...

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