diff --git a/free-courses-en.md b/free-courses-en.md
index f9790534d51088c05086e3b526f0e4580e6603ad..faf26bc1a9baf0d2e5c9671031911f9a081b742c 100644
--- a/free-courses-en.md
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@@ -687,6 +687,7 @@
 * [Flask(A Python Microframework) Tutorial](http://blog.miguelgrinberg.com/post/the-flask-mega-tutorial-part-i-hello-world)
 * [Free Code Camp](https://www.freecodecamp.org)
 * [Full stack open](https://fullstackopen.com/en/) - University of Helsinki
+* [Learn web development](https://developer.mozilla.org/en-US/docs/Learn) - Mozilla Contributors
 * [Python Web Scraping & Crawling using Scrapy](https://www.youtube.com/playlist?list=PLhTjy8cBISEqkN-5Ku_kXG4QW33sxQo0t)
 * [The Odin Project - Learn Web Development for Free](http://www.theodinproject.com)
 * [Web Information Retrieval](https://www.youtube.com/playlist?list=PLAQopGWlIcya-9yzQ8c8UtPOuCv0mFZkr) - L. Becchetti, A. Vitaletti (University of Sapienza Rome)