1)Configure your Internet browser
You have the option to configure your cookies directly in your Internet browser. All websites that you visit will be impacted by these procedures.
For Internet Explorer:
•open the desktop, and then tap or click the Internet Explorer icon in the taskbar;
•tap or click on Tools button, and then tap or click on Internet Options;
•tap or click on the Privacy tab, and under Settings, move the slider to the top to block all cookies, and then tap or click OK.
More information on http://windows.microsoft.com/en-us/internet-explorer/delete-manage-cookies#ie=ie-11
For Google Chrome:
•click on the Chrome menu in the toolbar of the browser;
•click on Show advanced settings;
•in the “Privacy” section, click on the Content Settings button;
•in the "Cookies" section, you can change your settings to block or delete cookies.
More information on https://support.google.com/chrome/answer/95647?hl=en&hlrm=en
For Mozilla Firefox:
•click the menu button and select Options;
•select the Privacy panel;
•check Accepter cookies from sites to enable cookies, or uncheck to disable them.
More information on https://support.mozilla.org/en-US/kb/enable-and-disable-cookies-website-preferences
•go to Preferences > Advanced > Cookies;
•the cookie preferences give you control of the way Opera handles cookies. The default setting is to accept all cookies. Choose and select one of the settings:
oAccept cookies: all cookies are accepted (by default)
oAccept only cookies from the site I visit: third-party cookies, for a domain other than the one you are visiting, are refused
oNever accept cookies: all cookies are refused
More information on http://help.opera.com/Windows/10.20/en/cookies.html
•in the menu, choose Safari > Preferences;
•select the Privacy panel
•in the section “Cookies and website data”, select one of four options:
oAlways block: no cookies will be stored.
oAllow from current website only: third-party cookies, from a domain other than the one you are visiting, are refused.
oAllow from websites I visit: prevent websites that have embedded content in other websites from consulting or storing cookies (by default).
oAlways allow: all cookies are accepted.
More information on https://support.apple.com/kb/Ph19214?viewlocale=en_US&locale=fr_FR
2)Use of the website Youronlinechoices
Digital Advertising companies have joined together as the EDAA (European Digital Advertising Alliance) and offer a website accessible to all Internet users to allow them to control targeted advertising cookies by accepting or refusing them. It is thus possible to control and define your preferences in terms of advertising cookies. Hundreds of businesses have partnered together for this initiative. The website also has extensive information on cookies.
More information on http://www.youronlinechoices.com/uk/your-ad-choices
For more details …
Obtain more information about cookies on the website of the French National Commission on Informatics and Liberty (CNIL). The CNIL offers informational practical guides for Internet users.
More information on http://www.cnil.fr/vos-droits/vos-traces/les-cookies/ (in French)