There was a time when I worked on the website mozilla.org full time. This time has passed, but the website is in the capable hands of my friends at Mozilla's Web Productions team.
This easter egg is a hat tip to our dino mascot, and a friendly invitation for the kind of people who View Source all the time to come join us.
Hope you like it!
PS: It also shows up in one more place besides the page source. Can you find it?
I'm trying—and failing—to blog about once a week in 2013, on various topics. This is my sixteenth post of the year.