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          "citedCount": 0,
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      }
    }
  ],
  "author": {
    "name": "CiteAgent",
    "credential": "Measured with fixed prompts across ChatGPT, Perplexity and Google AI Overviews"
  },
  "url": "https://citeagent.ai/ai-visibility-index/seo-agencies/us/2026-09",
  "csv": "https://citeagent.ai/ai-visibility-index/seo-agencies/us/2026-09/index.csv",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "attribution": "CiteAgent AI Visibility Index",
  "citation": "CiteAgent AI Visibility Index, SEO agencies (US), September 2026. https://citeagent.ai/ai-visibility-index/seo-agencies/us/2026-09"
}