DPL has not been installed on Wikipedia (perhaps for fear of misuse, which could conceivably slow the platform down to a crawl); too bad, because I love DPL. Any page listings need to be obtained via the search bar, and resulting url query.
A list of preload pages can be found here:
- https://en.wikipedia.org/w/index.php?search=preload+intitle%3Apreload&title=Special%3ASearch&profile=advanced&fulltext=1&advancedSearch-current=%7B%22fields%22%3A%7B%22intitle%22%3A%22preload%22%7D%7D&ns0=1&ns10=1
- https://www.google.com/search?as_q=preload&lr=lang_en&as_qdr=all&as_sitesearch=wikipedia.org&as_occt=title&safe=active&tbs=#ip=1