A "colophon", according to Dictionary.com, refers to the following:
a publisher's or printer's distinctive emblem, used as an identifying device on its books and other works.
The colophons of Web sites generally describe the resources (e.g., tools, systems, scripts, standards, and other technical information) used in generating, developing, and maintaining the site.
This site is written (crudely) in HTML with CSS support and renders best on modern browsers like Google Chrome or Mozilla Firefox. (Looking at you, Internet Explorer.) It is hosted via Amazon EC2 web service.
A polished rendering on mobile devices is not guaranteed.
The typeface in use is Helvetica, sans-serif.
Here is an article about Helvetica, and why it's more refined [and therefore better] than Arial.
Here is an article about why Helvetica sucks.