/status includes long gone packages (and its last failing result)
I like the graphs at /status. However, I also note that a lot of packages get removed (or drop their autopkgtest). In the current state of debci, removed packages are tested for some time (bug 893042, so the final "verdict" of the package will be
FAIL, even when the package always succeeded. So, the graphs are showing a more negative plot than needs to be. If the "current" state would be calculated from all results no older than one month (or slightly more), than it would be more representative of the state of the archive.
This also holds for the total, as currently removed packages still add up.