If i do some SEO work on an existing site, there are occasions where existing html page filenames need renaming (eg Untitled2.htm to services.htm)
If the page is already listed in the search engines, i would normally leave it where it is and add the renamed page alongside it with links now pointing to new page, so as to not get http 404 errors where visitors click on the old existing link from the SEs.
That can result in two pages having identical content, which in effect is spamming, although done in good faith.
Would the best thing to do:
- wait until new renamed page gets listed and use noindex redirective in robots.txt or meta or
- leave it where it is in its orphaned state and hope that it diappears without getting the site penalised