I agree that posters need to be careful about undefined acronyms, but, pro-tip, you can always check Wikipedia for overloaded terms to narrow down to the right one. Here it will give you a section for the meanings in the context of computing:

https://en.wikipedia.org/wiki/SPA

Edit: also, I suspect you’re being cheeky there, because when I Google “SPA”, the top results are local spas (even in private mode), and thus not “places to go for a holiday/vacation”, as if you only guessed what a Google search would give and had decided to make a joke about the ambiguity and most common lay meaning of (case-insensitive) SPA, rather than express an actual frustration at an honest attempt to look up the meaning of that term.