1.2%
1.2% of the 412 scored sites in Central government pass the test of whether they publish an llms.txt file (EXT-1). A further 55 refused the scanner and are not counted.
- Sites
- 5 of 412 scored sites
- Group
- Central government
- Test
- EXT-1: Do you publish an llms.txt file for coding assistants?
- Edition
- Census Q4 2026, Index 12.1, computed 2026-11-06
- Caveat
- A public roster, not a random sample of the web; says nothing about sites outside Central government.
How to check
- The group and its sites: Central government.
- How the census is run: methodology.
- The figures: summary.json or claims.json.
- Every published figure: all claims for the United Kingdom.
Link to this claim: https://readinessindex.io/census/2026-Q4/uk/claims/central-llms-txt
Cite as TEN7 Readiness Index Census 2026-Q4
Source reply: Source: TEN7 Readiness Index Census 2026-Q4 (Index 12.1). Central government, United Kingdom, n = 412. Public rosters, not a random sample of the web. Figures are CC BY 4.0. Data: https://readinessindex.io/census/2026-Q4/uk/claims/central-llms-txt