Cookie Policy
The PhET Website and PhET Simulations use "cookies" and similar technologies such as “web beacons” to help operate our website and simulations (“our content”) and collect anonymized analytics to report to our grant funders on our impact. However, the PhET project utilizes NO advertising or marketing tracking cookies or technologies.
Version 1.0 Effective 08/01/2023
What cookies we use and why
PhET Necessary Cookies
These are required for our website to function.
| Name | Purpose and Example | Provider | Domain | Type | Settings |
|---|---|---|---|---|---|
| Jsessionid | Allows PhET to save your login state and deliver our authenticated website content. | First-party | colorado.edu | Cookie | Disabling cookies may prevent you from logging into our website or viewing authenticated website content. |
| phet-direct.sid | Allows PhET to save your login state and deliver our authenticated website content. | First-party | colorado.edu | Cookie | Disabling cookies may prevent you from logging into our website or viewing authenticated website content. |
| phet-common-info | Allows PhET to save your login state and deliver our authenticated website content. | First-party | colorado.edu | Cookie | Disabling cookies may prevent you from logging into our website or viewing authenticated website content. |
Analytics Cookies
We strictly limit the use of Analytic Cookies on our website to only those cookies needed to measure usage of each PhET resource, so that we can optimize user experience and report to our grant funders on our impact.
| Name | Purpose and Example | Provider | Domain | Type | Settings |
|---|---|---|---|---|---|
| _ga_<container-id> | These first-party analytics cookies help PhET anonymously measure traffic and understand more about usage of our content allowing us to improve our website and simulations. They also allow us to report aggregate, anonymized impact data to our funders and to our organizational partners. | First-party | colorado.edu | Cookie | Disabling cookies prevents PhET from measuring your anonymized use of the website and simulations. You can learn more about Google’s practices at http://www.google.com/policies/privacy/partners, and view its currently available opt-out options at https://tools.google.com/dlpage/gaoptout. |
| _ga | These first-party analytics cookies help PhET anonymously measure traffic and understand more about usage of our content allowing us to improve our website and simulations. They also allow us to report aggregate, anonymized impact data to our funders and to our organizational partners. | First-party | colorado.edu | Cookie | Disabling cookies prevents PhET from measuring your anonymized use of the website and simulations. You can learn more about Google’s practices at http://www.google.com/policies/privacy/partners, and view its currently available opt-out options at https://tools.google.com/dlpage/gaoptout. |
| _gid | These first-party analytics cookies help PhET anonymously measure traffic and understand more about usage of our content allowing us to improve our website and simulations. They also allow us to report aggregate, anonymized impact data to our funders and to our organizational partners. | First-party | colorado.edu | Cookie | Disabling cookies prevents PhET from measuring your anonymized use of the website and simulations. You can learn more about Google’s practices at http://www.google.com/policies/privacy/partners, and view its currently available opt-out options at https://tools.google.com/dlpage/gaoptout. |
Cookies from third-party services
The PhET website has some pages with embedded videos and content from third-party websites such as Vimeo and YouTube. Cookies from third-party websites may be saved on your computer when viewing or interacting with this content.
Since PhET cannot completely control the behavior of third-party cookies, please see the privacy policies of the respective third-party services in the table below.
| name | purposeAndExample | provider | domain | type | settings |
|---|---|---|---|---|---|
| vuid | Used to collect anonymous statistics of embedded Vimeo player videos. | Third Party | vimeo.com | Cookie | Disabling cookies prevents PhET from measuring anonymized use of embedded Vimeo videos on our website. |
| player | Used to save embedded Vimeo player settings. | Third Party | vimeo.com | Cookie | Disabling cookies prevents PhET from measuring anonymized use of embedded Vimeo videos on our website. |
| __cf_bm | Used to identify and mitigate automated traffic to protect from bots. | Third Party | vimeo.com | Cookie | Disabling cookies prevents PhET from measuring anonymized use of embedded Vimeo videos on our website. |
| sync_active | Used to remember parameters such as preferred volume or video quality of embedded Vimeo player. | Third Party | vimeo.com | Local Storage | Disabling cookies prevents PhET from measuring anonymized use of embedded Vimeo videos on our website. |
| NID or ENID | Used by Google to remember your preferences and other information, such as your preferred language (e.g. English), how many search results you wish to have shown per page (e.g. 10 or 20), and whether or not you wish to have Google's SafeSearch filter turned on. | Third Party | google.com and local variations, e.g. google.de | Cookie | All videos embedded on our website have Youtube’s “Privacy-Enhanced Mode” enabled. |
| yt-remote-device-id | Used to regulate the behavior of the embedded YouTube video player. | Third Party | youtube-nocookie.com | Local Storage | All videos embedded on our website have Youtube’s “Privacy-Enhanced Mode” enabled. |
| ytidb::LAST_RESULT_ENTRY_KEY | Used to regulate the behavior of the embedded YouTube video player. | Third Party | youtube-nocookie.com | Local Storage | All videos embedded on our website have Youtube’s “Privacy-Enhanced Mode” enabled. |
| yt-remote-connected-devices | Used to regulate the behavior of the embedded YouTube video player. | Third Party | youtube-nocookie.com | Local Storage | All videos embedded on our website have Youtube’s “Privacy-Enhanced Mode” enabled. |
| yt.innertube::nextId | Used to regulate the behavior of the embedded YouTube video player. | Third Party | youtube-nocookie.com | Local Storage | All videos embedded on our website have Youtube’s “Privacy-Enhanced Mode” enabled. |
| yt.innertube::requests | Used to regulate the behavior of the embedded YouTube video player. | Third Party | youtube-nocookie.com | Local Storage | All videos embedded on our website have Youtube’s “Privacy-Enhanced Mode” enabled. |
| yt-player-headers-readable | Stores configuration of the embedded YouTube video player. | Third Party | youtube-nocookie.com | Local Storage | All videos embedded on our website have Youtube’s “Privacy-Enhanced Mode” enabled. |
| yt-player-bandwidth | Provides bandwidth estimations of the embedded YouTube video player. | Third Party | youtube-nocookie.com | Local Storage | All videos embedded on our website have Youtube’s “Privacy-Enhanced Mode” enabled. |
How to disable Cookies
Most web browsers allow users to adjust settings to delete or prevent cookies from being stored on their device across all websites. Each web browser is different and the instructions may vary across browser versions. Please consult the support website for your browser to find instructions on adjusting your cookie settings.
https://www.aboutcookies.org/how-to-manage-and-delete-cookies
If you choose to refuse, disable, or delete these technologies, some of our content may no longer function or be available to you.