DrupalCon Europe 2021 Presentation: XML-sitemap optimizations for large sites: a case study. Today (Oct 5) Liopold Novelli and I will give a presentation at DrupalCon Europe 2021 entitled XML-sitemap optimizations for large sites: a case study. Tags: Seo Sitmap Weiterlesen über DrupalCon Europe 2021 Presentation: XML-sitemap optimizations for large sites: a case study.