The Shiny app skeleton is available from nanxstats/shiny-fcp-loader. Pantheon, Roma, Italy. Photo by Emma Fabbri. More than a few people asked me similar questions about this when building large shiny apps. Therefore, it might be time to formulate a simple solution with a minimalist yet extensible code demo. UX side effects of large Shiny apps For larger Shiny apps, users could wait a long time (in terms of 10s of seconds) with an embarrassing blank screen before seeing the rendered app …