According to MDN Doc noreferrer implies noopener but does noopener implies nofollow(or vice-versa)? rel="noopener" you use on all links opening in new tabs using the target _blank. The only exception to the rule applies to links that point to the same domain (as the site in question already has full control over its own pages). About Param Chahal Param Chahal, the mind behind TemplateToaster have more than a decade of industry experience. 値 意味 ; nofollow: 重要でないリンク・リンク先のリンクをクロールしない 信頼できないコンテンツ・ユーザー投稿に含まれるリンクなどに指定 The random numbers generated by the browsers are kept generating at 60fps. rel=”noopener”の役割. We had fun hosting thousands of developers at Chrome Dev Summit 2020! He wishes to render his pool of wisdom on to the world by contributing with content ideas here on this blog through a team of dedicated editors and writers. You can now watch all the sessions at goo.gle/cds20-sessions. First, let’s look at what these two rel types do. Teams. rel=”noopener” is performance booster. Report issues about the MDN wiki platform under 'developer.mozilla.org'. Tip: Search engines can use this attribute to get more information about a link! noopenerについては新しいタブで開く場合に効果を発揮します。 （aタグで新しいタブを開く場合はtarget属性でtarget=”_blank”とします。） rel属性にnoopenerを付けることで、新しいタブを別スレッドで開くことができます。 (rel=noopener) steps in by enabling noopener sitewide for any link you encounter after installation of the extension. There are security implications if you don’t use the noopener value on your links opening in new tabs. Requests for new developer documentation or for corrections to existing developer documentation on the MDN Web Docs wiki. Google has documentations : Home / MDN Definition and Usage. Q&A for Work. I see no info about that but I would like a confirm if it's not … A malicious attacker can use the window.opener object to change the content and location of the originating page. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. Reply. The rel attribute specifies the relationship between the current document and the linked document.. Only used if the href attribute is present.. MDN has the information we need: noopener “Instructs the browser to open the link without granting the new browsing context access to the document that opened it — by not setting the Window.opener property on the opened window (it returns null).” noreferrer In response to Adrian Roselli. I have to disagree again here: In many cases the behavior is a mis-learned habit, often enforced by authoring tools and used by content authors who are not developers (most users of a WYSIWYG CMS). Noopener sitewide for any link you encounter after installation of the originating page use. About Param Chahal Param Chahal Param Chahal Param Chahal, the mind behind TemplateToaster have more than a decade industry. On the MDN wiki platform under 'developer.mozilla.org ' for any link you after. 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