Product token
The crawler name used to select a robots.txt group.
What Product token means
RFC 9309 limits its characters and expects it to appear within the crawler’s HTTP identification string.
Where Product token comes up on this site
- Naming a crawler in robots.txt drops your Disallow rulesThe rule: one crawler, one group RFC 9309, the Robots Exclusion Protocol, says a crawler must obey the group whose User-agent line best matches its product token.
Terms this definition uses
robots.txt · Identification string
Definitions that name Product token
Related terms in Crawling and indexing
How a crawler discovers, schedules, fetches and selects pages, and why a fetched page is not an indexed one.
Sitemap directive · Crawler identity · Identification string · Crawl frontier · Crawl queue · Crawl scheduler · Seed URL · URL discovery · Link extraction · Recrawl interval · Crawl frequency · Host politeness · Crawl rate · Crawl-delay · Robots group merging · Longest-match rule · Wildcard rule · End-anchor rule · Robots cache · Robots parse error · Robots redirect · Robots unavailable · Sitemap · Sitemap URL set · Sitemap lastmod · Sitemap hreflang · Image sitemap · Video sitemap · News sitemap · Canonical cluster · Duplicate cluster · Index selection · Crawl demand · Rendering queue · Rendered HTML · Indexing pipeline · Index freshness · Index lag · Deindexing · Removal request · URL inspection · Crawl anomaly · Bot spoofing · Shared IP range · Web Bot Auth
Questions about Product token
What is Product token?
The crawler name used to select a robots.txt group.
Which area of the glossary does Product token belong to?
Crawling and indexing: How a crawler discovers, schedules, fetches and selects pages, and why a fetched page is not an indexed one.
← Crawler identity · Identification string →
See it in the full glossary · 772 terms across 19 areas.
Free browser extension
See this on any site you visit, in one click.
CrawlCheck for Chrome grades every site you visit A–F and shows, from your own browser, what search engines and AI assistants are actually served. Free, no account.