Performance Fundamentals

Portfolio Pro: Proof of Work for developer hiring

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Send a candidate one JavaScript challenge and get back their code, the tests it passed, and how the code arrived. Portfolio Pro also offers a catalog of guided AI development tracks and projects.

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Performance Fundamentals

Lessons

Image Optimization

Code Splitting

Rendering Strategies

Caching Strategies

Web Vitals Intro

Projects

Performance Fundamentals

Lessons

Image Optimization

Code Splitting

Rendering Strategies

Caching Strategies

Web Vitals Intro

Projects