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The performance benefits of rel=noopener - JakeArchibald.com
If you have links to another origin, you should use rel="noopener", especially if they open in a new tab/window. <a href="http://example.com" target="_blank" rel="noopener"> Example site </a> Without this, the new page can access your window object via window.opener. Thankfully the origin security model of the web prevents it reading your page, but no-thankfully some legacy APIs mean it can naviga
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