Site History
Track how crossref.org's technology stack and AI policy have changed over time
📍
Feb 9, 2026, 02:27 PMPolicy SnapshotLatest
OPEN0 AI bots blocked
robots.txt
Policy changes:
Removed llms.txt
📍
Feb 9, 2026, 02:27 PMTech ScanLatest
View Details19 technologies detected
Changes from previous scan:
+ Added:
DataTablesFancyBoxBootstrap
📦
Feb 7, 2026, 09:54 PMTech Scan
View Details16 technologies detected
Changes from previous scan:
+ Added:
ZendeskGoogle WorkspaceAmazon Route 53Amazon SES
- Removed:
jQuery MigratejQuery UIVimeo
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🛡️
Jan 29, 2026, 10:52 AMPolicy Snapshot
OPEN0 AI bots blocked
robots.txtllms.txt
First recorded policy snapshot
Summary
3
Tech Scans
2
Policy Snapshots
19
Current Techs
7
Techs Added (All Time)