How XMOS uses cookies

To make this site work better for you, XMOS sometimes places small data files known as cookies on your computer. They improve things by:

  • remembering settings, so you don't have to keep re-entering them whenever you visit a new page;
  • measuring how you use the website so we can make sure it meets your needs.

Each cookie is listed below with more details about why XMOS uses them and how long they will last.

Measuring website usage (Google Analytics)

XMOS uses Google Analytics to collect information about how people use this site. We do this to make sure it meets its users' needs and to understand how we could do it better.

Google Analytics stores information about what pages you visit, how long you are on the site, how you got here and what you click on. We do not allow Google to use or share our analytics data.

The following cookies are set by Google Analytics:

Name Typical Content Expires
_utma randomly generated number 2 years
_utmb randomly generated number 30 minutes
_utmc randomly generated number when you close your browser
_utmz randomly generated number and information on how the site was reached (e.g. direct or via a link, organic or paid search result) 6 months

Browser capabilities

The following cookie is used to identify whether your browser has Javascript enabled, so we can decide how content is displayed in the browser window. This is important for improving the user experience.

Name Typical Content Expires
has_js 0 or 1 browser closes

Content and Session Management

XMOS is a strong supporter of open source software and hardware, and actively encourages participation in the GitHub Open Source Project. However some of our software IP, such as a reference design software or the development tools software, is core to the future of the company and is made available to developers under license for which we require some personal information. We will not pass any of this information on to any third party without your consent.

To manage access to this licensed content the following cookies are used. The cookies are only created when users log in to and are always managed using secure HTTPS connections.

Name Typical Content Expires
SESS* random number 1 month
DRUPAL_UID specific number end of session

In some cases file downloads contains a licensed agreement which needs to be read and accepted before access to the file can be provided. To remember your acceptance of a license agreement, the following cookie is used so you are not presented with the same license agreement acceptance form for different file downloads under the same license agreement.

Name Typical Content Expires
cognidox_agid_[number] 0 or 1 browser closes

The following cookie is used to identify when a registered user returns to the site.

Name Typical Content Expires
remember_me random number (sessionID) 1 year

The following cookie is used to identify anonymous users when they visit the site.

Name Typical Content Expires
visitor_id random number 90 days

Removing and disabling cookies

If you do not wish to accept cookies on your machine, you can disable them by adjusting the settings on your browser. Remember, this means you will not be able to download some resources from the site. It may also affect the functionality of other websites you visit.