I recently configured my CGI scripts that handle 404 (file not found) and 500 (server error) errors so I now get an email reporting any errors occurring.
I am getting strange unexpected requests for pages or other files, presumably from one or more search engine crawlers. Here are examples of such requests:
I've never had folders named 'modules', '.well-known' or 'blog'; nor had anything to do with Apple.
I am also getting quite a lot of requests for web pages that were deleted from my WebPlus (WPX6) files several years ago. My sitemap.xml files have been registered with Google for years so I guess these requests are not coming from the Google crawler.
When I upload something from WPX6 I get a tick box option "Delete unused remote files" which seems to be always greyed-out. I'm fairly sure with a previous version of WP that tick box was ticked by default. Now to get unused files deleted I seem to have to use automatic unattended upload and tick the 'Delete unused files' option. Having done that recently with a full upload, unfortunately I am now totally uncertain whether the requests for old web pages relate to pages that were deleted years ago from my servers or whether I had deleted them only a few days ago.
Anyway, it may be worth WP users checking whether any old web pages remain on their servers.