Uploaded March 2022 | Updated September 2026, 2 weeks ago

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Learn why it is good practice to use the noopener rel value in your external HTML links (target="_blank") and how the window.opener.location property can be maliciously accessed to change the content of a user's previous page.

Check out my noopener detector here 👉 https://tonyteaches.tech/noopener-detector/
#noopener