What are cookies?A cookie is a small file of letters and numbers that is downloaded on to your computer when you visit a website. Cookies are used by many websites and can do a number of things, eg remembering your preferences, recording what you have put in your shopping basket, and counting the number of people looking at a website.The rules on cookies are covered by the Privacy and Electronic Communications Regulations 2003 (PECR). PECR also covers the use of similar technologies for storing or accessing information, such as ‘Flash cookies’ and device fingerprinting.The ICO is responsible for enforcing these rules.How do the cookie regulations affect me?You may come across information about cookies and similar technologies on websites and be given choices about how some cookies are used. This might include, for example, being asked to agree to a cookie being used for a particular service, such as remembering your preferences on a site.Organisations have to provide clear and comprehensive information about the way they use cookies, and ensure that for any cookie not strictly necessary for their website, they give you an appropriate means of consenting to that cookie being set on your device.Essential CookiesThese are cookies that form an integral part of your experience while using the Smokefree Sheffield website. Because of this, you can’t turn them off – the website wouldn’t function without them. NameCookiesWhat's it forGlobal Eye Healthdv-hide-cookie-promptStores users cookie opt-in/out preferences.dv-analytics-cookiesStores users cookie opt-in/out preferences.Analytics Cookies NameCookiesWhat's it forGoogle Analytics_gatThese cookies are used to collect information about how visitors use our website. We use the information to compile reports and to help us improve the website. The cookies collect information in a way that does not directly identify anyone, including the number of visitors to the website and blog, where visitors have come to the website from and the pages they visited._gaUsed by Google Analytics to identify unique users of our website._gidUsed by Google Analytics to identify unique users of our website.How can I control my cookies?Browser controlsYou can use your web browser to:delete all cookies;block all cookies;allow all cookies;block ‘third-party’ cookies (ie, cookies set by online services other than the one you are visiting);clear all cookies when you close the browser;open a ‘private browsing’ / ‘incognito’ session, which allows you to browse the web without recording your browsing history or storing local data such as cookies (you should however be aware of the limitations of this feature in a privacy context); andinstall add-ons and plugins that extend browser functionality.Where to find information about controlling cookiesMicrosoft Edge cookies informationInternet Explorer cookies informationChrome cookies informationFirefox cookies informationSafari cookies information – mobile devices and desktopsOpera cookies information