Your code is just pointing the browser to a specific waybackmachine URL that has the date embedded. It's not showing you the page from a year ago; it's showing

Your code is just pointing the browser to a specific waybackmachine URL that has the date embedded. It's not showing you the page from a year ago; it's showing you the page from 12/29/2014. Many sites aren't cached by waybackmachine for every day, and there's nothing particularly noteworthy about that date, so forgive me for being blunt but...what's the point?