Cookies Law

What do I need to know about cookies?

Page updated: 30 April 2018

A cookie is a small text file that’s stored on your computer or mobile device when you visit a website. We use them to:

Remember your preferences

Tailor our sites to your interests.

There are different types of cookies


First party cookies

These are set by the website you’re visiting. And only that website can read them. In addition, a website might use a separate company to analyse how people are using their site. And this separate company will set their own cookie to do this.


Third party cookies

These are set by someone other than the owner of the website you’re visiting. Some CM Evolution pages may also contain content from other sites like YouTube or Flickr, which may set their own cookies. Also, if you Share a link to a CM Evolution page, the service you share it on (e.g. Facebook) may set a cookie on your browser. The CM Evolution has no control over third party cookies.


Advertising cookies

Some websites use advertising networks to show you specially targeted adverts when you visit. These networks may also be able to track your browsing across different sites. We don’t set advertising cookies for people in the CM Evolution site do use advertising cookies but they won’t track your browsing outside the CM Evolution.


Session cookies

These are stored while you’re browsing. They get deleted from your device when you close your browser e.g. Internet Explorer or Safari.


Persistent cookies

These are saved on your computer. So they don’t get deleted when you close your browser. We use persistent cookies when we need to know who you are for more than one browsing session. For example, we use them to remember your preferences for the next time you visit.


Strictly Necessary cookies

These cookies let you use all the different parts of CM Evolution. Without them services that you have asked for cannot be provided.


Some examples of how we use these cookies are:

Signing into the CM Evolution. Remembering previous actions such as text entered into a registration form when navigating back to a page in the same session. Remembering security settings which restrict access to certain content e.g. to help with parental control choices.


Functional cookies

These help us personalise the CM Evolution to you. For instance, remembering your preferences and settings so if you set a location on the CM Evolution homepage, we’ll remember it using functional cookies and use it to give you local news and weather.


Some examples of these cookies are:

- Flash cookies, which are stored on your hard drive, not your browser. These are useful for things like pausing a programme on iPlayer and then later picking up where you left off.

- Remembering if you visited the website before so that messages for new visitors are not displayed to you

- Remembering settings applied to the website such as colour, font size and layout.


Performance cookies

These help us understand how people are using the CM Evolution website, so we can make it better. And they let us try out different ideas. We sometimes get other companies to analyse how people are using the CM Evolution website. These companies may set their own performance cookies You can opt out of these cookies here.


Some examples of how we use these cookies are:

- To collect information about which web pages visitors go to most often so we can improve the online experience

- Error management to make sure that the website is working properly

- Testing designs to help improve the look and feel of the website.


Google Analytics

From time to time some BBC online services, including mobile apps, use Google Analytics. This is a web analytics service provided by Google, Inc. Google Analytics sets a cookie in order to evaluate use of those services and compile a report for us.


How can I opt-out?

If at any time you do not want information about your browsing behaviour to be used for the purposes of delivering advertising to you on this website, you can "opt out" as described below. You can also opt-out with the links provided above. If you do choose to opt-out you will continue to see adverts but they may be less relevant to you as they will not be tailored to your interests


Change your browser settings

You can prevent your browsing from being tracked generally by adjusting your browser settings, browsing in ‘private mode’ or using browser add-ons. You can find out how to do this by visiting the relevant support page for your browser, or by using the help function on your browser:

Apple Safari

Google Chrome

Microsoft Internet Explorer

Mozilla Firefox

Opera browser


Ad Choices tools for web browsers

You can opt-out from targeted advertising on this website and more generally across the internet using the opt-out tools of ad industry bodies, including:

European Interactive Digital Advertising Alliance (EDAA)

Digital Advertising Alliance (DAA)

Network Advertising Initiative (NAI)v

Ad choices for mobile applications


If you are accessing CM Evolution services though the web browser on your mobile device, you should follow the instructions above. However, mobile applications use different technologies to recognise your device. To opt out of your app usage data being used to target advertising within apps you should follow the instructions below.

Apple iOS

1. Go to Settings > Privacy > Advertising.

2. Turn on Limit Ad Tracking.

Visit the Apple support page for more information.


Google Android

1. Go to Settings.

2. Select Google in the Accounts section.

3. Select Ads in the Privacy section.

4. Tick Opt out of interest based ads.

Visit the Google support page for more information.


Microsoft Windows

1. Go to Settings.

2. Tap on Privacy.

3. Tap on Advertising ID, and turn off Let apps use my advertising ID for experiences across apps

Visit the Microsoft support page for more information.