Not a good experience here, because I scroll more quickly than the background stuff takes time to load, and it’s not clear if something is broken, or when loadi

Not a good experience here, because I scroll more quickly than the background stuff takes time to load, and it’s not clear if something is broken, or when loading is complete for the current part. It’s messy and distracts from the actual contents, and has no apparent benefit for the reader, compared to a normal fixed document layout.