Cookie Blocking and Do Not Track Requests
Cookies are pretty helpful when used to improve your visit to a website. They keep you logged in, remember what you were shopping for, and help the website with analytics. However, you may object to a website you are visiting to allow tracking cookies from a 3rd-party marketer or a website you did not visit. And, you may not want websites you visit to track your activities beyond the site. That’s what cookie blocking and Do Not Track requests do.
Websites can choose whether or not to honor your Do Not Track request since compliance is not mandated by law. Security-oriented browsers block and delete cookies and provide enhanced tracking protection.
Google Chrome
Chrome is the only browser of the top three that does not block third-party cookies by default. You can enable that function in the Privacy and security section. (Google has announced that Chrome will block 3rd-party cookies by default beginning in 2023, but that has been delayed in the past).
In the upper right corner of Chrome, click Customize and control Google Chrome
(three dots stacked vertically).- Click Settings , then Privacy and security.
- Select Cookies and other site data.
- Check Block third-party cookies.
- Turn on Send a “Do Not Track” request with your browsing traffic.
Microsoft Edge
Edge blocks third-party cookies by default. You can modify them in Settings.
- Select Settings and more
> Settings 
> Cookies and site permissions 
. - Select Manage and delete cookies and site data and turn on Block third-party cookies.
- Scroll down until you see the Privacy section, then toggle on Send “Do Not Track” Requests.
Mozilla Firefox
Firefox settings block third-party cookies by default, but you can modify the settings to suit your needs.
- In the upper right corner, click Open application menu
(hamburger icon). - Click Settings.
- In the left navigation menu, click Privacy & Security.
- In the Enhanced Tracking Protection section, choose from the options for Standard, Strict, or Custom levels. Use Manage Exceptions to “whitelist” sites you trust and want to enable tracking.
- Beneath that is a section titled, “Send websites a “Do Not Track” signal that you don’t want to be tracked.” Click Always.