Joe Petviashvili

“it's time to dig deep and unearth the shortcuts, tweaks, and even Easter eggs that Mozilla marketing doesn't mention.”

<link rel="prefetch" href="URL"> Google will, if it decides that you should be feeling lucky, add such a tag to the first in a series of search results, causing that first result to be prefetched.

Developers working on Web Software supporting multiple users or profiles can use CookiePie to simultaneously test their software with each user without needing to open a different browser.