While many articles and images are in top shape, many of them need to be cleaned up. Out of around 790 articles from the main namespace (not including redirects and disambiguation pages), the wiki has around 560 "safe", "good or "featured" articles, and around 220 articles to clean up, which is actually rather positive. In a nutshell, every single article from the main namespace must be in one (and only one) of the 5 following categories: "", "", "", "" or "".