Dichroweb is an evolving website, with frequent enhancements and new features.

We test new additions for common errors, but there may be some situations which have not accounted for. If you experience any errors, server problems, unusual results, unexpected pages being served or any other bug, please fill in this form and we will investigate and provide a fix.

Please give as much detail as you can, including information about your operating system and the browser you were using to access Dichroweb at the time of the error.

To ensure continued funding for the DichroWeb project, we need to show that the service is supporting good science and a useful resource for scientists. We welcome testimonials via this form at any time as well as general comments about the site and the service.