Majestic-12 is developing a distributed search engine that shares web crawling work across participating computers.

majestic12.co.uk
Majestic-12 homepage screenshot

About Majestic-12

Majestic-12 is working towards a World Wide Web search engine that distributes crawling work across participating computers, following the approach of projects such as SETI@home and distributed.net. Participants run downloadable MJ12node software, and the site publishes daily network statistics showing URLs crawled and data contributed per user. It also references Majestic with an anchor index for backlink and anchor-text analysis.

As of 5 July 2014, the project stopped accepting new members and continues for existing members only. The most recent MJ12node news entry shown is dated 20 November 2017.

Key features

  • Distributes web crawling workload across participating computers
  • Offers downloadable MJ12node software to contribute crawling work
  • Publishes daily per-user URLs crawled and data totals
  • Provides anchor index with backlinks and anchor text
  • Hosts forum for project news and update details
Best for: Existing participants who contribute computing resources to distributed web crawling.
Good for
  • Uses distributed workload model similar to SETI@home and distributed.net
  • Reported one trillion URLs crawled eight years after project start
  • Shows daily totals of URLs and data contributed by participants
Watch out for
  • Stopped accepting new project members on 5 July 2014
  • Described as working towards a search engine, not a completed service
  • Most recent node news entry shown is dated 20 November 2017

Majestic-12 at a glance

Type
Website
Pricing
Not confirmed. Check the site
Platforms
Web
Open source
Not stated
Last checked
Oct 5, 2026 · Online when checked
Listed
Oct 5, 2026

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Majestic-12 FAQ

Can new users join Majestic-12?
No. From 5 July 2014 the project stopped accepting new members and continues for existing members only.
How does Majestic-12 work?
It distributes web crawling workload across participating computers, in a similar fashion to SETI@home and distributed.net.
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