I was curious to see what Lighthouse thought of my new blog.
Everything was perfect except for best practices which was a 93. Not the end of the world, but I was curious.
The message under best practices was:
Links to cross-origin destinations are unsafe Add
rel="noreferrer"to any external links to improve performance and prevent security vulnerabilities
At first, I read this as linking to external sites was unsafe. 😁 Clicking the learn more link explained what was going on:
When your page links to another page using
On top of this,
target="_blank"is also a security vulnerability. The new page has access to your window object via window.opener, and it can navigate your page to a different URL using window.opener.location = newURL.
Ah, so it was the
target='_blank' I had applied to the social links at the bottom of each page…and WTF, it has access to the process and window.
Google’s recommended fix was to use
target="blank" is very unnecessary and quite frankly, rude1. The better fix is to simply remove them all together.
If your visitors want something to open in a tab/window, they can do it on their own. Do not pollute their brower space with your tabs. ↩︎