Common WP problems after server migration and how to fix them

I really want to write about this before, but I dont’ seem to have that “eagerness” to write about what I’m going to write about now. Since the first time I migrated my blog to another server 6 years ago, I encountered a lot of technical problems. I even forgot most of it. Soooo… what

Still Waiting for Full Domain Propagation

My traffic went down from 5,000 Unique Visitors to 600 as of yesterday. I hope my domain will fully propagate by next week. This weird and snail-like domain propagation happened after I transfered to a Dedicated Server. I wonder what’s the root problem of this slow propagation. I don’t know what’s the main cause of