In Browser Testing guidelines:

Introduction
What you need to know
Code to standards
How to develop a testing matrix
Advice on testing
Acknowledgements
Browser Standards Consultation (archive)

In Platforms and devices:

> Browser Testing guidelines <
Managing mobile marketing and advertising campaigns
About the authors

Browser testing

Description

Guidance number:	TG117
Date issued:	January 2009
Version:	1.0

This guidance is for all website managers, web developers and web testers delivering public sector websites. It is designed to ensure that your website works on as many browsers and devices as possible. It also provides guidance on the browsers and operating systems with which to test your website.