Is There a Way to Block All Third-Party Domains From Accessing/Requesting Information from My Browser?
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Well this of course could start an array of issues with your browser, mainly being that there are a great deal of sites that have and use multiple domains to load their content.
For example, DesignReviver[dot]com could use static.designreviver[dot]com to load all images and videos. If you were to always block third party access then you would have a lot of sites not loading up correctly.
On another note, you can also be cautious and use NoScript, which is a Firefox plugin that only executes JavaScript, Java, and Flash from trusted sites you've specifically approved.
For example, DesignReviver[dot]com could use static.designreviver[dot]com to load all images and videos. If you were to always block third party access then you would have a lot of sites not loading up correctly.
On another note, you can also be cautious and use NoScript, which is a Firefox plugin that only executes JavaScript, Java, and Flash from trusted sites you've specifically approved.