Cookies are a tool used by Web servers to store and retrieve information about their visitors or users. It is nothing more than a text file that some servers install during navigation and that allow to know information such as: the place from which you access, the connection time, the device from which you access (fixed or mobile), the operating system and browser used, the most visited pages, the number of clicks made and data regarding the user’s behavior on the Internet. They do not provide references that allow to deduce the name and surname of the user and can not read data from your hard drive or include viruses on their computers. Likewise, they cannot read cookies implanted in the user’s hard disk from other servers.
Why are they important?
The website is accessible without the need for cookies to be enabled, although disabling them may prevent it from functioning properly. From a technical point of view, cookies allow websites to work in a more agile and adapted to user preferences, such as storing the language, the currency of the country or detect the access device. They establish levels of protection and security that prevent or hinder cyber-attacks against the website or its users. Allow media managers to know statistical data collected to improve the quality and experience of their services. They serve to optimize the advertising we show to users, offering the one that best suits their interests.
They are those that allow the user to navigate through the website or application and the use of the different options or services that exist in it. For example, control traffic and data communication, identify the session, access restricted web parts, remember the elements that make up an order, make the application for registration or participation in an event, use security features while browsing and store content for broadcast video or sound.
They are those that allow the user to access the service with some general characteristics predefined in your terminal or that the user himself defines. For example, the language, the type of browser through which the service is accessed, the selected content design, geolocation of the terminal and the regional configuration from where the service is accessed.
Statistical analysis cookies
They are those that allow tracking and analysis of user behavior on websites. The information collected through this type of cookies is used to measure the activity of the websites, application or platform and for the elaboration of browsing profiles of the users of these sites, in order to introduce improvements in the service based on the usage data of the users.
On some websites, third-party cookies may be installed to manage and improve the services offered. For example, Google Analytics and Comscore statistical services.
How to manage cookies in the browser?
The user has the option to allow, block or delete cookies installed on your computer by configuring the browser options installed on your terminal:
- To adjust permissions related to cookies in the Google Chrome browser:
- Click on the menu located on the toolbar.
- Select Settings.
- Click on Show advanced options.
- In the ‘Privacy’ section click on the Content Settings button.
- In the ‘Cookies’ section you can configure the options.
- To adjust permissions related to cookies in the MozillaFirefox browser:
- At the top of the Firefox window click on the Tools menu.
- Select Options.
- Select the Privacy panel.
- In the Firefox option you can choose Use custom settings for history to configure the options.
- To adjust the permissions related to cookies in the Internet Explorer 9 browser:
- At the top of the Internet Explorer window click on the Tools menu.
- Select the Security tab and use the Delete Browsing History option to delete cookies. Activate the ‘Cookies’ checkbox and then click on Delete.
- Select the Security tab and go to Settings. Move the slider all the way up to block all cookies or all the way down to allow all cookies. Then click OK.
In some browsers you can configure specific rules to manage cookies per website, which offers more precise control over privacy. This means that you can disable cookies from all sites except those you trust.