Web Performance Foundations
Measure page speed and fix the causes: images, fonts, scripts and caching.
Guided project
$499
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Find the right course by technology, experience level and learning format.
161 courses · showing 145–161
Image Performance
Cut image weight on real pages with formats, compression, sizing and lazy loading.
Project-based
$399
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JavaScript Performance Audit
Find slow JavaScript with the Performance panel and fix long tasks.
Self-paced course
$299
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Core Web Vitals Lab
Improve LCP, INP and CLS on real pages using field data and targeted fixes.
Guided project
$499
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Structured Data Basics
Add schema.org structured data so search engines understand your pages.
Project-based
$399
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Figma-to-React Workflow
Turn Figma designs into React components with matching tokens and layouts.
Self-paced course
$299
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Website Audit Project
Audit a website for speed, accessibility, SEO and code quality with a weekly cohort.
Cohort program
Developer Portfolio Foundations
Build a developer portfolio that shows your projects, skills and how you work.
Guided project
$499
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Portfolio Case Study Writing
Write short case studies that explain your projects to hiring managers and clients.
Project-based
$399
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GitHub Portfolio Cleanup
Clean up your GitHub profile and repositories so reviewers see your best work.
Project-based
$399
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Technical Resume for Developers
Write a one-page developer resume that shows projects and skills clearly.
Project-based
$399
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Technical Interview Basics
Prepare for junior developer interviews with a weekly cohort and mock interviews.
Cohort program
JavaScript Interview Practice
Practice JavaScript interview questions: closures, this, async code and array problems.
Self-paced mini-course
$199
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Take-Home Project Strategy
Plan and deliver take-home coding assignments that reviewers want to read.
Guided project
$499
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Client Discovery for Developers
Run discovery calls with clients and turn their answers into a clear project brief.
Self-paced course
$299
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Developer Handoff Documentation
Write handoff documentation so clients and developers can run a project without you.
Self-paced course
$299
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Portfolio Review Intensive
Get detailed reviews of your portfolio, GitHub and case studies before you apply.
Guided project
$499
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