As part of the Open Science Fellows Program a free webinar is offered:

Academic SEO, or: How do I get my research to show up in search engines and discovery tools?
6 March 2019, 2pm

Find more information at https://blog.wikimedia.de/2019/02/22/fellow-programm-freies-wissen-webinar-wie-mache-ich-meine-forschung-fuer-andere-online-auffindbar-am-06-maerz-2019/