| cites_sources | not documented | Perplexity links to the websites that PerplexityBot surfaces in Perplexity search results. |
| honours_crawl_delay | Google does not publish any Crawl-delay behaviour for the Google-Extended token. | Perplexity does not publish whether PerplexityBot honours the robots.txt Crawl-delay directive. |
| publishes_ip_list | Google publishes no IP list for Google-Extended because Google-Extended has no separate HTTP request user agent string. | Perplexity publishes the IP address ranges used by PerplexityBot as a JSON file at https://www.perplexity.ai/perplexitybot.json. |
| purpose_documented | Google-Extended is a standalone product token that controls whether Google uses crawled content to train Gemini models. | PerplexityBot surfaces and links websites in Perplexity search results. |
| reads_llms_txt | not documented | Perplexity does not publish whether PerplexityBot reads llms.txt files. |
| respects_robots_txt | Google-Extended is a robots.txt token that publishers set to control use of crawled content for Gemini training. | PerplexityBot honours robots.txt rules that webmasters set for the PerplexityBot token. |
| robots_token_differs_from_ua | Google-Extended is a robots.txt control token and does not correspond to a crawler user agent string. | not documented |
| separate_search_and_training_tokens | Google-Extended controls Gemini training use only and does not affect inclusion in Google Search. | Perplexity does not document a separate training crawler token alongside PerplexityBot. |
| user_agent_string_full | not documented | PerplexityBot sends the user agent string Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; PerplexityBot/1.0; +https://perplexity.ai/perplexitybot). |
| verifiable_by_rdns | Google does not publish a reverse-DNS verification method for Google-Extended. | Perplexity does not publish a reverse-DNS verification method for PerplexityBot. |
| what_it_controls | Google-Extended controls AI training and grounding in Google systems and does not control Google Search inclusion. | not documented |