Unverified50% confidenceFactExact time
The robots.txt signal is essentially a 'declaration' rather than a mandatory technical blockade, and its effectiveness depends on whether providers voluntarily comply.
1
Sources
50%
Confidence
Long-term
Relevance
10/30/2026
First Seen
Sources
Related Entities
Related Claims
Unverifiedrobots.txt can only express a binary "allow/disallow" stance and cannot distinguish between an agent acting on behalf of a real user, the load cost brought by access frequency, or the potential transactional value.75% similarUnverifiedrobots.txt is a 'gentleman's agreement' that relies on the crawler's voluntary compliance and has no enforcement power75% similarUnverifiedEven when a crawler has declared its identity, a high-concurrency request rate can in itself effectively cause a denial-of-service outcome without violating robots.txt rules.69% similarUnverifiedEffective technical means for creators to protect content include declaring crawling rules via the robots.txt protocol, server-side rendering combined with access frequency limiting, and setting login walls for high-value content.65% similarUnverifiedrobots.txt is publicly readable, and the list of blocked User-Agents published by operators can actually be used by crawlers to disguise themselves as other identities.64% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/1117560API
curl https://kongchang.com/api/v1/knowledge/claims/1117560MCP
get_claim(id=1117560)