Biscuits – what could taste it? Well, even a certain monster in Sesame Street is less in gluten nowadays. Maybe it's because his beloved snack food found its name in the 1990's with the small files that websites use to enhance their experience and track their activities.
Cookies are stored on your computer when using a web browser. The cookie file is read by the server at the other end of the connection. Mostly cookies are a good thing – without authentication cookies you would constantly enter usernames and passwords if you visit websites on every page. Cookies also enable the operation of online shopping trolleys without losing all your items before you buy them.
However, cookies can also be used to track you. When you visit a web site, you may not only receive a cookie from the server for that web site, but also a tracking cookie from the advertisers on that web site. This is called a third-party cookie . These can be used to see where you are going when you visit a new website and, so to speak, track your movements. This has long been advocated by privacy advocates, although cookies do not usually collect personalized information.
The problem is that blocking or deleting all cookies almost interferes with your web adventures. Pervading every single cookie will affect your privacy. So what are you doing?
However, there are manual methods.
Use built-in controls in each browser to limit the cookies you receive. At a minimum, block the third-party / advertiser cookies. It's not foolproof because advertisers can find this easy way, but it's a start. There are many extensions that allow you to control cookies in browsers like Firefox and Chrome. Information about the respective web shops / repositories can be found here.
Google Chrome (Desktop)
Click the three-dot icon () in the upper-right corner to open the Chrome menu and select History. or type " chrome: // history " without the quotation marks in the omnibox (aka the address bar). Click Delete Browser Data on the left.
In the pop-up box, check the third and fourth boxes to clear cookies and delete cached images and files. Just select a timeframe from the menu above.
To manage the cookies in Chrome, enter " chrome: // Settings / Content / cookies " in the omnibox. You can tell Chrome to allow data from local web sites you actually visit, to only retain data until you close the browser, or to completely block cookies. The best option: Block all third-party cookies. You can also set exceptions – if you block all cookies, you may still be able to allow them for, for example, Amazon and NYTimes.com, so you do not have to constantly reenter your password.
Click View all cookies and location data to view a list of cookies installed locally on your computer. You can go through them one by one and delete them as you like. It is not a bad idea to remove all cookies every few months, just to clarify things.
Google Chrome (Mobile)
The menu is accessed from the ellipses menu () at the bottom. right (iOS) or top right (Android), and select Settings> Privacy> Clear Browser Data . Select the Cookies checkbox and tap Delete browser data (iOS) or Delete data (Android). That's all you can do. You do not have accurate control over existing cookies and can not block third-party cookies alone.
Mozilla Firefox Quantum
Click on the top right-hand Hamburger stack () and select Options> Privacy & Security . Go to cookies and site data. Click Clear Data and then check Cookies and Location Data and click Delete to remove your entire cookie history. Deleting Cookies and Site Data After Closing Firefox .
Back to Cookies and Site Data, select Manage Data if you want to select which websites are to remove cookies. Create Manage Permissions Exceptions to always (or never) accept cookies from selected websites.
Go to the three-point menu ([19459008)]) and select Settings> Privacy> Cookies . You can choose from three options: Enabled, Enabled except Third Party, or Disabled. To clear all cookies, select the Clear Private Data on Exit check box on the privacy screen. You will get another popup where you can select among other things cookies and active logins.
At the bottom right, tap the Hamburger Menu () and check Tracking Protection to get started. To go deeper, select Settings> Tracking Protection where you can select Basic or Strict. The latter is basically a private browser mode. While using Firefox, you can long press the URL bar to see how many trackers are running on a site and even disable tracking on individual sites.
For a real cookie control, go to Settings> Data Management> Cookies and turn it off. You can delete private data at the bottom of the screen. Or, click on website data above to delete the cookie data site-by-site.
Internet Explorer is (mostly) dead Long live Microsoft Edge. To clear cookies, select the three-item menu ()> Settings> Clear Browser Data . Some options are pre-selected, but you can click or deselect the items you want to delete. Click on "Delete".
To manage future cookies, navigate to Settings> Advanced Settings and navigate to Cookies. Click the drop-down menu and select one of the three options: Do not block cookies, Block only third-party cookies, or Block all cookies. Or, return to Clear Browsing Data and click the Manage permissions link. There you can delete cookies site by site or clear all.
By default, Safari uses only cookies from websites you visit, not third-party cookies. You can make changes by going to the Safari menu (a gear icon) and selecting Settings> Privacy and Searching for cookies and website data> Managing website data. From there, select the websites whose cookies you are crushing; Click Remove All> Remove Now to stop all cookies.
If you want to specify how Safari will handle cookies, the "Block all cookies" option will be displayed on the same "Privacy" tab.
To manage the cookies that Safari accepts, click on any Web site at to keep track of you. Safari may ask you anytime but it is up to individual websites to do this or not.
Safari does not access cookie settings unlike other browsers (desktop and mobile) by opening the browser itself. Go to Settings> Safari in iOS and enable the option "Block all cookies".
If you want to stop all cookies, select Clear History and Website Data . To kill, just select cookie data stored on websites (and keep track of it). Scroll to Advanced> Website Data . You will get a list of sites where most of the data is stored. Click Show All Websites at the bottom of the list to see the complete list. Delete the data for websites that you do not know or trust. You will sleep better. Or delete them all by clicking on the link below: Remove all website data .