About this site
What is MDN Web Docs?
MDN Web Docs (developer.mozilla.org): Authoritative web development docs. We list it under “Learning · Skills”.
What it is good for
Learn languages, marketing and data analysis to keep building skills for going global.
Before you use it
A little time every day beats occasional cramming. Has a free version or free credits; advanced features may cost extra.
How to open it
Click “Open site” above to open developer.mozilla.org in a new tab. Check the domain in the address bar before you sign in or pay.
- 1Click “Open site”It opens in a new tab
- 2Check the domainMake sure it is developer.mozilla.org
- 3Then sign in or payTwo-step verification is safer
At a glance
FAQ
Is MDN Web Docs free?
It offers a free version or quota. Advanced features may be paid; check the official pricing page.
Can MDN Web Docs be opened directly from mainland China?
We have not verified this for every site. It depends on your network; try again later if it does not open.
How do I know I am on the official MDN Web Docs site?
The domain we list is developer.mozilla.org. Check the address bar and watch for lookalike spellings such as paypa1 or arnazon, especially when signing in or paying.
Are there alternatives to MDN Web Docs?
“Similar sites” below lists others in “Learning” so you can compare them.
What if the MDN Web Docs info is wrong or the link is broken?
Use “Report a broken link or wrong info” below and we will update it after checking.