Know What Browser Cookies Are: Functions, Purposes, and How to Clean them

Know What Browser Cookies Are: Functions, Purposes, and How to Clean them

Know What Browser Cookies Are

Know What Browser Cookies Are - In the language of cyberspace or the internet, we usually find various terms, one of which is the term cookie. These cookies will appear in the form of notification notifications when someone is logging in or browsing the website. However, not everyone understands the meaning of cookies and their functions, so it is not uncommon for them to avoid or allow access to cookies without realizing it.

Therefore, if you find a warning notification that the website you are currently browsing wants to request or notify that they are using cookies, you should pay attention to it first.

Do not arbitrarily allow the use of cookies because this may also have a harmful impact on your device and enter into the system and hack it.

There are many possibilities that could be threatening, ranging from the website containing viruses or malware that is infiltrated to damage systems and devices, or sites that are not legal.

Sending cookie usage warnings ahead of time can help you determine next steps. To avoid infiltration through cookies, let's get to know what browser cookies are, their functions, purposes and how to get rid of them below.

What are browser cookies?

An HTTP cookie (also called a web cookie, Internet cookie, browser cookie, or simple cookie) is a small piece of data that is sent from a website and stored on the user's computer by the user's web browser while the user is browsing.

This technology is designed to be a reliable mechanism for websites to remember stateful information (such as items added to a shopping cart in an online store) or to record user browsing activity (including clicking certain buttons, logging in, or recording which pages were previously visited).

They can also be used to remember pieces of information and data that users previously entered into form fields such as names, addresses, passwords, and credit card numbers. Cookies perform important functions on the modern web. Perhaps the most important role is that authentication cookies are the most common method used by web servers to find out if a user is logged in or not, and which account they are logged into.

Without such a mechanism, the site would not know whether to post a page containing sensitive information, or require users to authenticate themselves by logging in. The security of authentication cookies generally depends on the security of the publisher's website and the user's web browser and whether the cookie data is encrypted.

The security vulnerability allows cookie data to be read by hackers, used to gain access to user data, or used to gain access (with user credentials) to the website where the cookie resides.

Functions and purposes of browser cookies

Know What Browser Cookies Are

To save internet browsing time, cookies were created to assist in storing and sending so that every website visitor no longer needs to do other manual settings.

If you have visited the same site repeatedly then all your records will be collected and recorded automatically.

For example, when you open a social media platform site and log in, when you log out, all the data you used, starting from your email, settings and visit history, will be saved.

Then if you log in again, all your data is still in the same place so you don't need to do the manual storing and sending process again.

4 Types of browser cookies

Cookies can be classified in a number of different ways, but the most common are 4 types of cookies. Let's take a look at the 4 most common browser cookie classifications and understand how cookies are used and how they work.

1. Session cookies

This is a type of temporary cookie that is stored in the browser's memory only until the browser is closed. This type of cookie has a lower security risk and is often used to power e-commerce shopping carts, to control which page elements are shown to users during a single page visit to a website and for other short-term storage purposes.

2. Persistent cookies

A persistent type of cookie is a type of long-term cookie that is marked by the publisher with an expiration date. These cookies are stored by the browser even after the browser is closed and will be returned to the publisher each time you visit or view a site that issued a cookie.

In this way, cookies can still track your activity not only on the site that issued the cookie, but also on any site that includes resources issued by the same site.

This is a mechanism that sites like Google and Facebook use to log user activity on various websites.

Persistent cookies last longer than session cookies and can track your activity over time across some sites, persistent cookies carry a greater risk than session cookies.

3. First – party cookies

The third is a cookie that is created by the site you are currently visiting. For example, while a website has used cookies for various purposes, such as creating a working host filtering feature. Cookies that are issued when you visit the site are first-party cookies.

4. Third-party cookies

Third party cookies are cookies added by a domain that is not the domain you are currently visiting. The most common use of third-party cookies is to track users who click on ads and associate them with the referring domain.

For example, when you click on an ad on a website, a third-party cookie is used to associate your traffic with the site on which the ad appears. While cookies are an important part of the modern web, they can also pose a major privacy breach as well as security risk for the websites that use them.

How to remove browser cookies

How to remove browser cookies

Given that we use a lot of different devices and browsers, here's how to remove browser cookies on the type and type of device and browser that you can try to apply yourself.

1. How to remove cookies on Google Chrome

  • Open Google Chrome and click on the three little dots in the top right corner. Select Settings.
  • Scroll down to the very end of the page. Click the Advanced link at the bottom of the page.
  • Under the Privacy and security section, look for the Content settings entry and click it.
  • To disable cookies, turn off the switch next to Allow sites to store and read cookie data (recommended). From now on, cookies are blocked.

2. How to remove cookies in Internet Explorer

  • Open Internet Explorer. Click on the little gear in the top right corner.
  • Select Internet Options.
  • Select the Privacy tab and click the Advanced button.
  • On the next screen, select Block for First and Third Party Cookies. Last but not least, uncheck Always allow session cookies.
  • Click OK, then close the window. From now on, IE cookies are disabled.

3. How to remove cookies on Microsoft Edge

  • Open Microsoft Edge and click on the three dots in the top right corner
  • Click Settings.
  • In the next flyout menu, click Privacy & Security.
  • Just click on the Block all cookies option.

4. How to remove cookies in Firefox

  • Open Firefox. Click on the three lines at the top right of your screen. Then click Options.
  • Select the Privacy & Security category on the left.
  • Click on the option to block Cookies and Third Party Trackers.
  • Scroll down a bit to find the Block cookies and site data option. Select the All cookies option.

5. How to remove cookies on Safari

  • Open Safari. Click on Safari in the top left corner of your main menu.
  • Select Preferences.
  • Click Privacy, and select Block all cookies.
  • Confirm the warning message.

6. How to remove cookies on iOS and Safari mobile

  • Open Settings on your iPhone or iPad.
  • Scroll down and tap the Safari item.
  • Click the button to Block All Cookies to disable cookies on iOS

7. How to remove cookies on Android and Chrome mobile

  • Open the browser and tap on the little dots in the top right corner.
  • Tap on Settings. Scroll down until you see site settings.
  • On the next screen, tap on Cookies. Click the button next to the Cookie entry.

Conclusion and closing

Cookie technology makes your browsing more convenient. They save you time by remembering your login information, storing past financial transactions, and recognizing your preferences from previous site visits. But not all cookies are this good, such as when advertisers share information without your consent or use invasive tracking cookies.

Since today's internet is full of targeted advertisements, price discrimination of online shops on each browser is different and even data mining. Indeed cookies are an integral part of the modern web.

However, they do present a double-edged sword: they enable mission-critical website features while simultaneously presenting a legitimate risk to website security and user privacy.

In the end, cookies are not going anywhere and most websites use cookies in some form or fashion. By educating yourself about how cookies work and how to deal with them, you will be better equipped to take advantage of their benefits while protecting yourself from the risks. which is possible.

So that's an article about knowing what cookies are, the function of browser cookies and how to clean browser cookies that we can share. Hopefully this article can be useful for all of you.


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