- 1What is a cookie?
- 2First-party and third -party cookies
- 4What types of cookies do we use?
- 5How long do cookies last?
- 9How can you control advertising cookies?
- 10How to manage cookies at the Guardian
- 11Useful links
What is a cookie?
A cookie is a small file that can be placed on your device. It is sent to your browser and stored on your computer’s hard drive, tablet or mobile device. When you visit our sites or apps it can allow us to recognise and remember you.
Technologies similar to cookies
Technologies that store or access information on a user’s device are similar to cookies and also covered by this policy. These technologies may include:
Device fingerprinting – using a set of information without relying on cookies in order to identify a particular device. For this purpose where you are resident in Australia, our partner Ipsos Iris may collect your IP address, monitor settings, type of browser and operating system to create a unique serial number which constitutes a digital “fingerprint”.
Local storage – storage of data in the local device’s cache, for example to load content quicker.
Pixels – a small pixel graphic which is used to track user behaviour, site conversions etc.
Scripts – small computer programs embedded within websites that give them extra functionality but may access user devices.
In this policy we call all cookies and similar technologies “cookies”, for ease.
First-party and third -party cookies
There are different types of cookies:
First-party cookies – cookies that are set by the Guardian when you use our site
Third-party cookies – cookies that are set by other parties or organisations (other than the Guardian) when you use our site. Some Guardian web pages may also contain content from or link to other sites which may set their own cookies. If you share a link to a Guardian page, the service you share it on may set a cookie on your browser.
Keeping you signed in
Understanding how you use our site, for instance how long you stay on a page or which article you read next
Delivering content to you
Showing you journalism that is relevant to you
Showing you Guardian products and services that are relevant to you
Delivering marketing and service messages to you on our site
Working with partners to deliver relevant advertising to you
Reminding you to complete online journeys
Processing payments and refunds
Monitoring how users interact with pages on our site to identify and remedy interface issues
In the next sections, we explain in more detail how cookies on our site may be useful, as well as when and where you can control them.
What types of cookies do we use?
We use four types of cookies:
Strictly Necessary – These cookies are essential to provide you with services you have requested, which means they cannot be switched off through the privacy settings link. For example, strictly necessary cookies make it possible for you to stay logged into your Guardian account and make comments. If you set your browser to block these cookies, then these functions and services will not work for you. In particular, we won’t be able to save your preferences about cookies.
Performance – These cookies measure how often you visit our sites and how you use them. We use this information to get a better sense of how you engage with our journalism and to improve our sites and apps so that you have a better experience. For example, we collect information about which of our pages are most frequently visited, and by which types of users. We also use third-party cookies to help with performance.
Functionality – These cookies are used to recognise you and remember your preferences or settings when you return to our site so that we can provide you with a more personalised experience. For example, if you are based in the UK, we will remember this and make sure that you receive the UK homepage when you visit our site, rather than the US or Australia homepage. A mix of first-party and third-party cookies are used.
Advertising – These cookies are used to collect information about your visit to our site, including the content you have viewed, the links you have followed and information about your browser, device and your IP address. We have set out more details on this below.
How long do cookies last?
Session cookies – These cookies only last as long as your online session and expire when you close your browser such as Internet Explorer or Safari
Persistent cookies – These cookies stay on your device after your browser has been closed and last for a time specified in the cookie (but not longer than 13 months). We use these cookies when we need to remember you for more than one browsing session, for instance to remember your preferences from one visit to the next.
From the very first edition of the Manchester Guardian, published in 1821, our journalism has been funded in part by advertising. Our editorial content is not influenced by the advertising we display and our journalists are free to, and often do, challenge the activities of companies and organisations that advertise and sponsor content that appears in Guardian sites and publications.
Increasingly, our readers fund us directly – either by buying a newspaper, or taking out a print or digital subscription or through making one-off, regular or monthly contributions. But to grow our number of supporters, we are reliant on marketing and still rely in part on advertising to fund our journalism. Therefore, cookies provide vital services to the Guardian without sacrificing our independence or values.
If you accept cookies, as you browse our site, we will place cookies on your device. Some cookies are for advertising, so we can understand what sorts of pages you read and are interested in viewing. We can then display advertising on your browser based on these interests. For instance, if you have been reading a lot of food articles, you may be shown more adverts for food.
With your consent we share and receive online data collected through cookies with our advertising partners. This means that when you are on another website, you may be shown advertising based on your browsing patterns on our sites. We may also show you advertising on our sites based on your browsing patterns on other sites that we have obtained from our advertising partners.
You can find details of how the Ozone Project handles your information here.
We have entered into an agreement with Microsoft who may collect or receive information about you to provide Microsoft Advertising, you can opt out by following this link: https://privacy.microsoft.com/en-gb/privacystatement.
Google Ad Manager
We use Google Ad Manager to deliver advertising. In order to do this Google may collect or receive information about you. You can opt out and find further information about Google by following this link:
We have entered into an agreement with Criteo who may collect or receive information about you to provide advertising that is targeted to your interests. Criteo may also provide this information to their partners to provide advertising targeted to your interests. You can opt out and find further information about Criteo and their partners by following this link:
We have entered into an agreement with Teads who may collect or receive information about you and share this information with their partners to provide advertising targeted to your interests. You can opt out and find further information about Teads and their partners by following this link:
When a Guardian reader who uses Facebook returns to Facebook from our sites, Facebook can identify them as part of a group of Guardian readers and, on behalf of the Guardian, deliver them marketing messages from us. Based upon our agreements with Google, Facebook, and Twitter, the data that can be obtained from a visit to the Guardian is limited to the URL of the pages that have been visited and, in some cases, the status of any partially-completed or completed commercial transactions undertaken with us, together with the limited information a browser might pass on, such as its IP address.
In addition to the cookie controls that are set out below, if you are a Facebook user you can opt out by following this link.
How can you control advertising cookies?
If you reside anywhere in the world (except California or the US), you can exercise control over advertising cookies by clicking the Privacy settings link in the footer of every page on our site. For more information, please read “How to manage cookies at the Guardian” below.
If you are a California or US resident, you may elect to opt out of all sales of personal information through these cookies, tags, pixels, and web beacons by clicking the “California resident – Do not sell” link located in the footer of every page on our site or by clicking the “Do Not Sell My Personal Information” button inside our privacy banner.
How to manage cookies at the Guardian
If you are located in the US, please use the “California resident – Do Not Sell button” instead, which you can find in the footer of every page on our site.
Opting out will reduce the number of advertising partners with whom we share your data, although you will still see some advertising that has been tailored to you as well as advertising intended for Guardian readers in general.
You can switch some cookies off through the Your Online Choices site. You may need to do this again each time you use a different IP address, device, or virtual private network. You can also adjust the global privacy setting or plug-in which should be communicated to use via your browser.
It is also possible to stop your browser from accepting cookies altogether by changing your browser’s cookie settings. You can usually find these settings in the “options” or “preferences” menu of your browser. If you stop your browser from accepting cookies altogether, some features on our sites may not work as well as you expect. Please note that searching in incognito mode or regularly clearing your cookies may impact your choice cookie settings.
The following links may be helpful, or you can use the “Help” option in your browser.
If you would like to find out more about privacy, cookies and their use on the internet, you may find the following links useful:
If you would like to contact us about cookies please email email@example.com.
13 December 2022 - Update to reflect changes to advertising partners
19 August 2022
8 October 2021
20 August 2020
A list of all previous changes are available upon request.