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MDN Web Docs

Mozilla's free reference and tutorials for HTML, CSS and JavaScript.

Visit MDN Web Docs4.8
  • Rating

    4.8 / 5

  • Pricing

    Free

  • Difficulty

    Beginner

  • Works on

    Web

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What is MDN Web Docs?

MDN Web Docs is Mozilla's free, open documentation for web technologies, covering HTML, CSS, JavaScript, web APIs and HTTP. It includes beginner learning paths, detailed references with browser compatibility tables and runnable examples, and is maintained by Mozilla together with a large community.

Pros: what MDN Web Docs does well

  • Accurate, trusted references
  • Browser compatibility tables
  • Beginner learning paths

Cons: where it falls short

  • Reference pages can feel dense
  • Assumes some technical background

Who MDN Web Docs is for

Anyone learning or building for the web who needs reliable answers.

Who can skip it

People who never write code.

MDN Web Docs alternatives

Not sold on MDN Web Docs? These do a similar job, and each card says what it has in common.

web.dev

Focus: performance and accessibility. Shares web development and css with MDN Web Docs. Rated 4.7 (MDN Web Docs: 4.8).

WebsiteFreeWeb

Can I Use

Focus: browser support. Shares web development and css with MDN Web Docs. Same 4.8 rating.

WebsiteFreeWeb

DevDocs

Focus: api reference, developer tools and open source. Shares documentation with MDN Web Docs. A web app, not a website. Adds Offline. Rated 4.7 (MDN Web Docs: 4.8).

Web AppFreeWeb, Offline

Wakamai Fondue

Focus: fonts, opentype and typography. Shares css with MDN Web Docs. A web app, not a website. Rated 4.6 (MDN Web Docs: 4.8).

Web AppFreeWeb

Web Dev Resources

Focus: github, resources and curated. Shares web development with MDN Web Docs. Rated 4.3 (MDN Web Docs: 4.8).

OtherFreeWeb

JavaScript.info

Focus: programming and tutorial. Shares javascript and web development with MDN Web Docs. A course, not a website. Same 4.8 rating.

CourseFreeWeb

Free alternatives to MDN Web Docs

Want to spend nothing? These free picks cover similar ground.

MIT OpenCourseWare

Focus: online courses, university and lectures. Also in Learning and Research, like MDN Web Docs. Same 4.8 rating.

WebsiteFreeWeb

Our World in Data

Focus: data, statistics and research. Also in Research and Learning, like MDN Web Docs. Same 4.8 rating.

WebsiteFreeWeb

The Odin Project

Focus: learn to code and open source. Shares web development and javascript with MDN Web Docs. A course, not a website. Same 4.8 rating.

CourseFreeWeb

Wikipedia

Focus: encyclopedia, reference and research. Also in Research and Learning, like MDN Web Docs. Adds iOS and Android. Same 4.8 rating.

WebsiteFreeWeb, iOS

Awesome LLM

Focus: llm, awesome list and papers. Also in Learning and Research, like MDN Web Docs. Rated 4.7 (MDN Web Docs: 4.8).

WebsiteFreeWeb

Awesome Machine Learning

Focus: machine learning, awesome list and frameworks. Also in Learning and Research, like MDN Web Docs. Rated 4.7 (MDN Web Docs: 4.8).

WebsiteFreeWeb
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