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LAIONTraining crawler

LAIONDownloader

LAIONDownloader is a LAION downloader token used in machine learning research dataset collection.

Training only. It does not decide whether you appear in answers.

Get the robots.txt ruleLAION documentation
Is LAIONDownloader allowed on your site?
  • LAIONDownloaderTraining
    Not checked

Reads your live robots.txt and applies the same rules these crawlers use. Nothing is stored.

robots.txt token
LAIONDownloader
Follows robots.txt
Not always
How to verify it
Not published
Seen on
Not measured
Last checked
11 June 2026

Should you block LAIONDownloader?

Only if you want your pages kept out of training data. Blocking it keeps your content out of this LAION downloader path, but the source registry reports robots compliance concerns.

About robots.txtLAIONDownloader may not follow every robots.txt rule, because a person starts each request.

robots.txt
User-agent: LAIONDownloader
Disallow: /

Asks LAIONDownloader not to crawl any page. Add it to the robots.txt file at the root of your site, above any wider rules.

Ignored robots.txt?

LAIONDownloader collects pages for model training. Training inclusion is not the same as being cited, so measure where AI answers actually cite your site before drawing conclusions from crawl logs.

Spot it in your logs.

Match the name, then check where the request came from. Anyone can copy a user-agent.

User-agentsource
LAIONDownloader

Version numbers change. Match the highlighted name, not the whole string.

  1. 1

    Match the name

    Search your server or CDN log for LAIONDownloader, case-insensitive. A match is a clue, not proof.

  2. 2

    Check the source

    LAION publishes no IP ranges, reverse DNS or signatures for LAIONDownloader in the sources here, so it cannot be verified. Treat matches as unconfirmed.

Serve the content in HTML

The cited operator material does not verify JavaScript rendering. Serve useful HTML before client-side JavaScript where possible.

Questions, answered.

LAIONDownloader is a LAION downloader token used in machine learning research dataset collection.

Sources.

Officially documented. Operator facts and Trakkr’s measurements keep separate dates.

  1. [1]
    LAION crawler documentation

    Officially documented · checked 11 June 2026

    laion.ai/faq/

First verified 11 June 2026. Last source check 11 June 2026.

All AI crawlers

See which AI crawlers read your site.

Trakkr shows which bots, LAIONDownloader included, visit which pages each day, and whether the answers they feed mention you.

14-day free trial. Cancel anytime.