Some frameworks have nastier non-obvious footguns that make performance issues difficult to spot. Funny example, in Blazor, if you have a mouse move event, by

Some frameworks have nastier non-obvious footguns that make performance issues difficult to spot. Funny example, in Blazor, if you have a mouse move event, by default it will decide that your entire component including children needs to be rerendered whenever the mouse moves by a single pixel. Unless you change state management to manual or whatever.