Cookies on the CISL Website
This page explains how the Cambridge Institute for Sustainability Leadership (CISL) uses cookies, what information they collect, and how you can control them.
Cookies are small text files stored on your device when you visit a website. They help websites function, measure how people use them, and support features such as analytics and embedded content. Some cookies are essential for the site to work; others are optional and only set if you choose to allow them.
You can choose which categories of cookies you want to allow through our cookie banner. Essential cookies cannot be disabled because the site cannot function without them.
1. Strictly Necessary Cookies
These cookies are required for the website to operate. They support security, session management, load balancing, and core functionality. They do not store personal information and cannot be switched off.
| Name | Used by | Description | Duration |
|---|---|---|---|
| CookieControl | CISL | Stores your cookie preferences and consent choices. | 365 days |
| SSESS\* | CISL (Drupal CMS) | Maintains secure login sessions for authenticated users. | Session |
| Drupal.tableDrag.showWeight | CISL (Drupal CMS) | Stores your table display preferences in the CMS interface. | Up to 1 year |
| f_clearance | University of Cambridge (Cloudflare) | Used to verify legitimate access and protect the site from bots. | Up to 1 year |
2. Site Usage Measurement Cookies (Analytics)
These cookies help us understand how visitors use the site so we can improve content, navigation, and user experience. They measure things like which pages are visited, how long users stay, and how they interact with content. These cookies are only set if you opt in.
Google Analytics 4 (GA4)
| Name | Used by | Description | Duration |
|---|---|---|---|
| _ga | Google Analytics | Used to distinguish unique users. | 2 years |
| _ga_\* | Google Analytics | Used to maintain session state and track usage patterns. | 2 years |
Matomo Analytics
| Name | Used by | Description | Duration |
|---|---|---|---|
| _pk_id.\* | Matomo | Stores a unique visitor ID and usage information. | 13 months |
| _pk_ses.\* | Matomo | Tracks page views during a single session. | 30 minutes |
3. Marketing Cookies
These cookies support marketing and communications activity, including email analytics, social media embeds, and website interaction tracking. They are only set if you opt in.
ClickDimensions
| Name | Used by | Description | Duration |
|---|---|---|---|
| cusid | ClickDimensions | Identifies a visitor’s session for marketing analytics. | 30 minutes |
| cuvid | ClickDimensions | Stores a unique visitor ID for marketing analytics. | 2 years |
| cuvon | ClickDimensions | Indicates when the visitor last interacted with the site. | 30 minutes |
These cookies appear on pages that include LinkedIn embeds or tracking pixels.
| Name | Used by | Description | Duration |
|---|---|---|---|
| bcookie | Browser identifier used for tracking and security. | 2 years | |
| li_gc | Stores consent for LinkedIn cookies. | 6 months | |
| lidc | Used for routing and load balancing. | 1 day |
DoubleClick (Google Marketing Platform)
This cookie appears when pages include YouTube embeds or Google marketing scripts.
| Name | Used by | Description | Duration |
|---|---|---|---|
| test_cookie | DoubleClick (Google) | Used to check whether the user’s browser supports cookies. | 1 day |
How to Control or Disable Cookies
You can manage your cookie preferences at any time using the cookie banner on our site.
You can also control cookies through your browser settings. Each browser provides tools to block, delete, or limit cookies:
- Firefox
- Google Chrome
- Microsoft Edge
- Safari
- Other web browsers – see the Information Commissioner's Office's website
Updates to This Policy
This page will be updated when our cookie usage changes or when new tools are introduced.
