The Plugin That Was Network-Active and Doing Absolutely Nothing
Two plugins on my site were active and doing nothing at all. Here is how to tell whether a plugin is actually working, and what removing one let me close.
performance
WordPress Is Not Generating Your Thumbnails (And It Will Not Tell You)
If PHP’s image extension is missing, WordPress accepts every upload, returns success, and generates no thumbnails at all. Here is how to check yours.