"website maintained by" is a correct and usable phrase in written English.
You can use it whenever you want to refer to the person or organization responsible for keeping a website up to date. For example, "This website is maintained by the XYZ Company."
Blue To Gold is a police training and research website maintained by Anthony Bandiero.
Public releases of the NPO are available through BioPortal website, maintained by the National Center for Biomedical Ontology.
The Violation Documentation Centre, a website maintained by activists, currently puts the death toll at 23,493.
Non-raptor counts were uploaded to Ebird.org, the website maintained by the Cornell University Lab of Ornithology.
However, my earlier comments apply of course also to another website maintained by you (http://www.ags.uci.edu/~bcarver/wgallery.html).html
Environmentalresearchweb is a community website maintained by IOP, the Institute of Physics for Science, Policy and Engagement.
Her published and forthcoming work can be found at her personal website maintained by the Department of English.
A website maintained by the National Museum Wales, provides an excellent overview of the subfamily, including an interactive map by major geographic regions.
It was a list of cool websites, maintained by Jerry Yang and David Filo, two friends who really should have been studying for their graduate programme in electrical engineering at Stanford University.
A search on the Internet yields a worrying several hundred finds, but a closer look reveals that most of these are websites maintained by overly sensitive souls who are bothered that the biblical "mark of the beast" might soon become reality.
Contrast Warner Bros., whose attorneys fired off threatening letters to renegade Harry Potter websites maintained by fans but backed down after the creator of one site, a 15-year-old British girl, hired lawyers and alerted the media.
