The problem is simply that the very old âslicerWikiâ path is used in the wiki content you cited.
Using the âReplace Textâ extension (a new admin feature of the Slicer wiki), Iâm fixing hundreds of pages of content. This will fix the problem âon wikiâ. For âoff wikiâ content (e.g. bookmarks, publications), Iâm currently working on implementing the rewrite rule which will a) serve the file at the correct location while b) sending a âmoved permanentlyâ status code so old URLs are not indexed by search engines.
The issue is that this link is referenced from external sources, such as this post: How to analyze DCE-MRI data. I can fix the link in that post manually, but there may be other places I am not aware of. Overall, it is rather important that the original links donât die. Is redirecting an option?
All âoldâ URLs will work â without appearing to search engines as if duplicate content is being served. The correct URLs will become canonical, improving SEO.