Yep! One thing to note, the header is likely to change at some point from X-Associated-Content to the emerging link preload standard (in-progress spec: <a href="https:&#x2F;&#x2F;w3c.github.io&#x2F;preload&#x2F;" rel="nofollow">https:&#x2F;&#x2F;w3c.github.io&#x2F;preload&#x2F;</a> )