Announcing VclFiddle for Varnish Cache  As part of my new job
with Squixa I have been working with Varnish Cache everyday.
Varnish, together with its very capable Varnish Configuration
Language (VCL), is a great piece of software for getting the
best experience for websites that weren’t necessarily built with
cache-ability or high-volume traffic in mind.  At the same time
though, getting the VCL just right to achieve the desired
caching outcome for particular resources can be an exercise in
reliably reproducing the expected requests and careful analysis
of the varnish logs. It isn’t always possible to find an
environment where this can be done with minimal distraction and
impact on others.  At a company retreat in October my colleagues
and I were discussing this scenario and one of us pointed out
how JSFiddle provides a great experience for dealing with
similar concerns albeit in the space of client-side JavaScript.
I subsequently came to the conclusion that it should be possible
build a similar tool for Varn