Perplexity is useful in audits because it shows source lists. That does not make it the measure of all things. It makes findings discussable.
Method: the same prompts as in ChatGPT, capture the answer and the source list, mark overlap with your domain and with directories. If your site is missing while three trade blogs appear, that is knowledge or PR. If your site appears with the wrong service description, that is on-site.
Perplexity refreshes differently from a closed chat with no browse. Never average a "40 percent visibility" figure across systems. Report them apart.
SOURCE/01 by GlasBox (AI) keeps Perplexity as its own column, not as a proxy for "AI".
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GlasBox measures classic SEO and AI visibility separately. No ranking or mention guarantee. The free short check stays thin on purpose.
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