Rattlesnakes By Mail

ClaudeBot vs PerplexityBot

ClaudeBot and PerplexityBot compared on 14 documented fields, from 21 claims, last verified 2026-09-15.

How many of the compared fields have the same answer for both crawlers, and how many differ.

ClaudeBot and PerplexityBot, fields comparedClaudeBot and PerplexityBot, fields compared. Different is the largest with 11 fields, out of 14 fields in total.Same: 3 fieldsSame3Different: 11 fieldsDifferent11
ClaudeBot and PerplexityBot, fields compared. Different is the largest with 11 fields, out of 14 fields in total. Source: each vendor's own crawler documentation, quoted and dated on every claim page.
FieldClaudeBotPerplexityBotComparison
anti_circumvention_stancedocumentednot documenteddifferent
cites_sourcesnot documentedyesdifferent
honours_crawl_delayyesnot_documenteddifferent
observed_fetches_jsonyesnot documenteddifferent
observed_fetches_markdownyesnot documenteddifferent
observed_first_request_path/sitemap.xmlnot documenteddifferent
observed_format_pass_orderhtml_json_mdnot documenteddifferent
publishes_ip_listyesyessame
purpose_documentedtrainingsearchdifferent
reads_llms_txtnot documentednot_documenteddifferent
respects_robots_txtyesyessame
separate_search_and_training_tokensyesnot_documenteddifferent
user_agent_string_fullnot_documentedMozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; PerplexityBot/1.0; +https://perplexity.ai/perplexitybot)different
verifiable_by_rdnsnot_documentednot_documentedsame

Differences

FieldClaudeBot statementPerplexityBot statement
anti_circumvention_stanceClaudeBot respects anti-circumvention technologies and does not bypass CAPTCHAs on crawled sites.not documented
cites_sourcesnot documentedPerplexity links to the websites that PerplexityBot surfaces in Perplexity search results.
honours_crawl_delayAnthropic supports the non-standard robots.txt Crawl-delay extension for ClaudeBot.Perplexity does not publish whether PerplexityBot honours the robots.txt Crawl-delay directive.
observed_fetches_jsonClaudeBot made 177 JSON requests to Rattlesnakes By Mail between 2026-09-13T20:00Z and 2026-09-15T09:00Z, covering the .json twin of 170 base paths. The .json URLs of Rattlesnakes By Mail appear in no entry of the 171 URL sitemap.not documented
observed_fetches_markdownClaudeBot fetched the .md twin of 170 base paths on Rattlesnakes By Mail between 2026-09-13T20:00Z and 2026-09-15T09:00Z, 170 Markdown requests of 542 ClaudeBot requests in that window. The .md URLs of Rattlesnakes By Mail appear in no entry of the 171 URL sitemap.not documented
observed_first_request_pathClaudeBot's first request to Rattlesnakes By Mail between 2026-09-13T20:00Z and 2026-09-15T09:00Z was /sitemap.xml at 2026-09-14T19:53:45Z. ClaudeBot fetched /robots.txt on the second request to Rattlesnakes By Mail.not documented
observed_format_pass_orderClaudeBot fetched Rattlesnakes By Mail in three format passes between 2026-09-13T20:00Z and 2026-09-15T09:00Z, HTML from 2026-09-14T20:52Z to 2026-09-14T20:57Z, then JSON from 2026-09-14T21:37Z to 2026-09-14T21:56Z, then Markdown from 2026-09-14T21:37Z to 2026-09-14T21:57Z. The same order holds on 170 of 170 base paths that ClaudeBot fetched in all three formats on Rattlesnakes By Mail.not documented
purpose_documentedClaudeBot collects web content for training Anthropic generative AI models.PerplexityBot surfaces and links websites in Perplexity search results.
reads_llms_txtnot documentedPerplexity does not publish whether PerplexityBot reads llms.txt files.
separate_search_and_training_tokensAnthropic separates training and search controls into two robots.txt tokens: ClaudeBot for training and Claude-SearchBot for search.Perplexity does not document a separate training crawler token alongside PerplexityBot.
user_agent_string_fullAnthropic does not publish a full user agent string for ClaudeBot.PerplexityBot sends the user agent string Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; PerplexityBot/1.0; +https://perplexity.ai/perplexitybot).

Sources