Thanks all - I'm looking at both Selenium and Casperjs now.
I also came across a plugin for 'Robot Framework' [http://robotframework.org] which allows you to grab screenshots (via Selenium) and annotate with notes - along the lines that Ross suggested. The plugin is 'Selenium2Screenshots' [https://github.com/datakurre/robotframework-selenium2screenshots]
Owen Stephens Consulting
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Telephone: 0121 288 6936
> On 26 Jan 2015, at 13:16, Mads Villadsen <[log in to unmask]> wrote:
> I have used casperjs for this purpose. A small script that loads urls at multiple different resolutions/user agents and takes a screenshot of each of them.
> Mads Villadsen <[log in to unmask]>