How JavaScript invades your privacy

What JavaScript can collect

JavaScript has access to a wealth of information from your browser, including but not limited to:

• What browser the visitor is using
• Size of browser window
• Screen resolution
• Every interaction with the page and when
• Visitor's unique typing style
• Any form data not submitted yet
• Language
• Location

Third-party scripts

Many websites use JavaScript from third parties such as Google Analytics and Facebook Meta Pixel.

These third-party scripts allow the third parties to spy on the visitors of millions of websites.

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See also

• Do This For Maximum Security On The Web
• Manually Deobfuscated Google Analytics js