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Increase security with site isolation

When you turn on site isolation, Chrome offers more security protections for your browser.

Chrome will load each website in its own process. So, even if a site bypasses the same-origin policy, the extra security will help stop the site from stealing your data from another website. Learn more about site isolation.

  1. On your computer, open Chrome.
  2. In the address bar at the top, enter chrome://flags/#enable-site-per-process and press Enter.
  3. Next to 'Strict site isolation', click Enable.
  4. Click Relaunch now.

If you’re an administrator, learn how to manage site isolation for your organisation.

Known issues

  • Memory: Site isolation will increase Chrome's memory use by approximately 10–20%.
  • Printing: Cross-site iframes will be blank. To print the entire page, save the page to your computer. Then, open and print the saved file.
  • DevTools: Chrome Developer Tools don't fully support cross-site iframes with site isolation.

Megan is a Google Chrome expert and the author of this help page. Help her improve this article by leaving feedback below.

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