opsi.gov.uk — August 2026 traffic, keywords & AI visibility

Paid search ads bring 100% of it — more than its organic results do.

opsi.gov.uk scores 95 out of 100 on our AI visibility scale, grade A+. It takes full marks for LLMS.txt, Crawlability and Structured data. The biggest gap is Company profile, at 22 of 25 points (7/8 core fields), worth 3 points if closed. It also loses points on SEO health (18/20).

The llms.txt on opsi.gov.uk runs to 148 lines (8,259 characters) across 12 sections, last generated in April 2026. It introduces the site as "OPSI - Office of Public Sector Information". It tells AI engines the business works in UK Legislation, Public Sector Information, Legal Research and Government Publishing. It describes 4 products, with prices such as Primary Legislation Search at Free, Secondary Legislation Archive at Free and Legislation Status Checker at Free. Services it lists include Legal Update Notifications, Topic-Based Legislation Guides, XML Data Downloads and Public Consultation Access. The audience it names is Lawyers, policymakers, businesses, researchers, aged 25-65 (United Kingdom). Technologies it mentions include HTTPS, robots.txt, sitemap.xml, Viewport Meta and LLMS Support. The keywords it claims start with "UK legislation", "UK law", "legislation updates" and "legal history". It gives the company type as Government.

# OPSI - Office of Public Sector Information

## About
OPSI operates as the key UK government body responsible for publishing and disseminating official public sector information, with a sharp focus on legislation. It hosts an exhaustive repository of laws, from medieval statutes to contemporary regulations, ensuring everyone can access them without barriers. The platform supports detailed searches, version histories, and status checks on whether laws are in force or revised. Legal practitioners turn to it for precision, while policymakers use it to track evolutions in the legal landscape. OPSI's integration with national archives means seamless links to historical documents and explanatory materials. Free access democratizes law, empowering small businesses to comply without expensive subscriptions. Updates roll out promptly after parliamentary approval, often with user-friendly summaries. Features like topical indexing and cross-references save hours of manual digging. It covers devolved legislation for Scotland, Wales too, reflecting the UK's nuanced system. Technical robustness includes secure HTTPS and SEO-friendly structures for easy discovery. In practice, it's a daily go-to for compliance officers verifying regs. The site's no-frills design prioritizes function over flash, which users appreciate. Collaborations with HMSO ensure print-quality accuracy online. For academi

The latest technical audit of opsi.gov.uk scored 90 out of 100 overall. Performance is its weakest area at 88, while accessibility scores highest at 98. The audit makes 12 recommendations in all, and 4 of the 4 listed first are rated high priority or critical.

Office of Public Sector Information (OPSI)'s company profile names https://legislation.gov.uk, https://www.gov.uk and https://www.nationalarchives.gov.uk as competitors. Its own llms.txt adds https://www.legislation.gov.uk/ukpga. Outside its market, the domains ranked closest to it in our worldwide ranking are teliacompany.com, 3dconnexion.com, hcmute.edu.vn and bqg474.cc.

https://legislation.gov.uk

https://www.gov.uk

https://www.nationalarchives.gov.uk

https://www.legislation.gov.uk/ukpga