First, test your own AI visibility today. Open ChatGPT, Claude, or Perplexity and ask questions where your content should logically appear as a relevant source. Be honest in your queries—use the actual questions your audience would ask rather than phrasing things to favor your content. See whether AI models cite you, and if so, how prominently. This reality check shows you where you stand currently.
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res[i] = stack.length ? stack.at(-1) : -1;