How do I know it is working?
Take a reading before you change anything, change one thing, then take the same reading a month later. Look at three numbers separately: the page's position on Google for the search you care about, the real clicks from Google in Search Console, and whether the AI answer engines name you. Google's Search Console help explains the first two; we link there.
Google's help: the Search Console performance report
What Camello adds. It takes the before and after readings for you, on a fixed window per change, and writes one word on each card: won, no effect, too early to say. Read the article on what those words mean.