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.