Health information and the Internet: The 5 Cs website evaluation tool.

As more people use the internet to access health information, nurses need to become skilled in systematically reviewing websites so that they can guide patients to the most appropriate sites. The 5Cs website evaluation tool provides a structured guide to such evaluation, giving tips and suggesting key considerations. The 5 Cs are the key areas that need to be addressed in a comprehensive evaluation--credibility, currency, content, construction and clarity.