{"schema_version":"newruntime-reader-dossiers-v1","type":"reader_dossier","id":"reader:screaming-frog-seo-spider","slug":"screaming-frog-seo-spider","name":"Screaming Frog SEO Spider","kind":"seo","kind_label":"SEO & backlink crawlers","operator":{"name":"Screaming Frog","url":"https://www.screamingfrog.co.uk/"},"docs_url":"https://www.screamingfrog.co.uk/seo-spider/faq/","robots_tokens":["Screaming Frog SEO Spider"],"purpose":"Desktop SEO crawler run by individual users (agencies, site owners) to audit sites on demand; not a central index.","feeds":["research"],"respects_robots":"documented_partial","robots_note":"FAQ: robots.txt compliant by default, but users can ignore robots.txt and change the user-agent.","verification":{"method":"none_published","url":null},"why_it_matters":{"text":"A hit means a person (often an SEO/competitor) ran an audit of our site; signals human interest, not machine readership.","kind":"new_runtime_interpretation"},"confidence":"high","researched_at":"2026-10-23","sources":["https://www.screamingfrog.co.uk/seo-spider/faq/"],"icon_url":"https://newruntime.com/readers/icons/screamingfrog.png","matching":{"aliases":["screaming frog seo spider"],"rule":"Reduce each agent_days label to a token: for labels starting with Mozilla/ take the product after 'compatible;', else a versioned crawler token such as 'FooBot/1.0' (a truncated 'Mozilla/5.0 (Linux; Android 7.0;) AppleWebKit/537.36 (KHTML, like Gecko) Mobile' prefix logged before 23 Oct 2026 is PetalBot; anything else is unidentified-android, unidentified-linux-chrome or unidentified-browser); otherwise take the text before the first '/', '(' or ';' and drop a trailing ' token probe'. Lowercase it. A dossier owns the tokens in its aliases."},"observed_baseline":{"as_of":"2026-10-24T00:01:17.641Z","window_first_day":"2026-07-23","window_last_day":"2026-10-24","observed_days":94,"note":"Refreshed daily in production from the live aggregates (dated by as_of). For current numbers aggregate live_sources.history agent_days by matching.aliases.","total_requests":4,"first_seen":"2026-08-18T10:49:48.324Z","last_seen":"2026-10-02T12:14:44.339Z","days_active":2,"recency":"dormant","categories":["other_bot"],"label_variants":2,"journeys":null},"identity_note":"A family name is what a client claims in its user agent. It is verified only when its request came from the operator's published IP ranges or passed forward-confirmed reverse DNS, as reported per family in /crawler-journeys.json. Anyone can claim any name.","privacy":{"scope":"family-level aggregates only","ip_addresses":"not_output","raw_user_agents":"not_output (labels are sanitized; URLs inside them are redacted)","visitor_ids":"not_output","query_strings":"not_output"},"live_sources":{"history":"https://newruntime.com/bot-traffic-history.json","latest":"https://newruntime.com/bot-traffic-latest.json","machine_consumption":"https://newruntime.com/machine-consumption.json","crawler_journeys":"https://newruntime.com/crawler-journeys.json"},"routes":{"html":"https://newruntime.com/readers/screaming-frog-seo-spider/","markdown":"https://newruntime.com/readers/screaming-frog-seo-spider.md","json":"https://newruntime.com/readers/screaming-frog-seo-spider.json","index":"https://newruntime.com/readers.json","index_html":"https://newruntime.com/readers/"}}