<aside> <img src="/icons/info-alternate_green.svg" alt="/icons/info-alternate_green.svg" width="40px" /> This page explains Prolific’s Cookie Notice. Our website uses cookies to distinguish you from other users of our website. This helps us to provide you with a good experience when you browse our website and also allows us to improve our site.
Last updated November 6th 2024.
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When you use Prolific, it will store data on your device by two methods: web storage and cookies.
Web storage means the storage of data within your browser.
A cookie is a small file, which is stored on the device which you use to access the Site. You can read more about web storage at https://en.wikipedia.org/wiki/Web_storage and about cookies at http://aboutcookies.org.
The web storage and cookies we use allow us to monitor the use of the Site and to improve our service offering. The following section describes what kinds of cookies we use.
We use cookies for the following purposes:
Strictly necessary cookies – these cookies are required for the operation of our website.
This might include using cookies for authentication purposes, so that we can identify you when you visit and navigate our website, or for the purposes of determining if you are logged onto our website.
We also use cookies to store your preferences in relation to the use of cookies more generally.
These cookies are always enabled because our website won’t work properly without them. You can switch off these cookies in your browser settings but you may then not be able to access all or parts of our website.
Marketing – these cookies process personal information to show you personalised or interest-based advertisements.
These services let us understand which site visitors have discovered Prolific via our marketing campaigns. Enabling them helps us understand whether our advertising is useful for prospective users, and how we can make it better.
Performance optimisation – these services help us to improve functionality and performance by tracking usage and enable us to optimise the service that our site offers.
Our service providers use cookies and those cookies may be stored on your computer, when you visit our website for the purposes, stated below.
| Cookie Prefix | Who | Purpose |
|---|---|---|
| ajs | Atlassian Jira Servicedesk | Statistics collection |
| auth0 | Auth0 | Manages user login |
| cb | Clearbit | Gathers additional data for marketing analysis |
| __cf | Cloudflare | Bot Protection |
| _dd | Datadog | Error tracking |
| did | Dreamdata | Gathers additional data for marketing analysis |
| _fbp | Tracks Ad conversions | |
| AEC | YouTube / Google. AEC. AEC cookies ensure that requests within a browsing session are made by the user, and not by other sites. These cookies prevent malicious sites from acting on behalf of a user without that user's knowledge. | |
| SIDCC | Targeting cookie. Used by for targeting purposes to build a profile of the website visitor's interests in order to show relevant & personalised Google advertising. | |
| SOCS | Records consent | |
| SSID | Allows Youtube videos to play on the website | |
| UULE | ‘UULE’, sends precise location information from your browser to Google’s servers so that Google can show you results that are relevant to your location. The use of this cookie depends on your browser settings and whether you have chosen to have location turned on for your browser. The ‘UULE’ cookie lasts up to 6 hours. | |
| _gc | Google Ads | Tracks Ad conversions |
| _ga | Google Analytics | Tracks pageviews and interactions for analysis |
| _gat | Google Tag Manager | Loads other cookies in accordance with consent |
| NEXT_LOCALE | Hotjar | Tracks pageviews and interactions for analysis |
| _hj | Hotjar | Tracks pageviews and interactions for analysis |
| __hs | Hubspot | Allows us to host Hubspot forms on our site. Tracks conversions |
| hubspot | Hubspot | Allows us to host Hubspot forms on our site. Tracks conversions |
| laboratory-anonymous-id | Hubspot | Allows us to host Hubspot forms on our site. Tracks conversions |
| klaro | Klaro | Records consent |
| _cl | Microsoft Clarity | Gathers additional data for marketing analysis |
| _rdt | Reddit Ads | Tracks Ad conversions |
| sp | Snowplow | Tracks pageviews and interactions for analysis |
| guest_id | Tracks Ad conversions | |
| muc_ads | Tracks Ad conversions | |
| personalization_id | Tracks Ad conversions | |
| _vis | Visual website optimiser | AB Testing |
| _vwo | Visual website optimiser | AB Testing |
You can choose which cookies we can set by clicking Manage cookie preferences at the bottom of our website and then adjusting the relevant toggles to ‘on’ (green) or ‘off’ (grey):
Most browsers allow you to refuse to accept cookies and to delete cookies. The methods for doing so vary from browser to browser, and from version to version.
You can however obtain up-to-date information about blocking and deleting cookies in different browsers via this link: https://www.aboutcookies.org.uk/managing-cookies.