Mozilla.org Site Licensing Policies

In addition to Cookies necessary for this site to function, we’d like your permission to set some additional Cookies to better understand your browsing needs and improve your experience. Rest assured — we value your privacy.
Unless otherwise indicated, the text of documents in this collection is available under the Creative Commons Attribution Share-Alike 3.0 Unported license, or any later version.
A summary of the terms of this license is available, as well as its detailed terms.
Rights in the trademarks and service marks of Mozilla, as well as the look and feel of this website, are not licensed under the terms mentioned above. However, we support you making full use of your rights under fair use, fair dealing and other exceptions and limitations to trademark, and Mozilla also allows some additional uses under our Trademark Policy. Please see our Trademark Policy for further information.
If you have any questions about complying with our licensing terms for this collection, you should email:
For more information about these and other licensing policies, please see our Licensing Policies page.
Donate to the not-for-profit Mozilla Foundation. Portions of this content are ©1998–2026 by individual mozilla.org contributors. Content available under a Creative Commons license.