Extraneous information, slow-loading videos and a.
All distract the attention of the viewer from your MDA.. Try to keep to one MDA per landing page. Again, the landing page has a specific purpose. Extraneous information, slow-loading videos and a confusing call to action are distractions, along with affiliate links, text links and unnecessary animations.
Original text search at: www.isedb.com/db/articles/1519/1/landing