kaikki.org-digital-archive Bot: What It Is & How to Block

01 · Operator

Who operates kaikki.org-digital-archive

Company: kaikki.org (Tatu Ylonen)
Type: Other bot
Official docs: kaikki.org

02 · Behavior

What kaikki.org-digital-archive does

kaikki.org publishes machine-readable dictionaries extracted from Wiktionary. It describes itself as a digital archive and data mining group. Its site does not document the crawler.

03 · Impact

Why kaikki.org-digital-archive matters for your site

If you allow it

Supports a public digital archive project

If you block it

No search visibility
Crawler behavior is not documented

04 · Allow

How to allow kaikki.org-digital-archive

robots.txt

User-agent: kaikki.org-digital-archive
Allow: /

Cloudflare

# Security › WAF › Custom rules › Create rule
Expression: (http.user_agent contains "kaikki.org-digital-archive")
Action:     Skip › All Super Bot Fight Mode rules

# Also check Security › Bots: "Block AI bots" can block it regardless of robots.txt.

WordPress

# WordPress serves a virtual robots.txt. Edit it with your SEO plugin:
# Yoast: SEO › Tools › File editor · Rank Math: General Settings › Edit robots.txt
User-agent: kaikki.org-digital-archive
Allow: /

nginx

# nginx serves every user agent by default.
# Make sure no rule like this blocks it:
# if ($http_user_agent ~* "kaikki\.org\-digital\-archive") { return 403; }

Apache

# Apache serves every user agent by default.
# Make sure .htaccess has no rule like this:
# RewriteCond %{HTTP_USER_AGENT} kaikki\.org\-digital\-archive [NC]
# RewriteRule .* - [F,L]

05 · Block

How to block kaikki.org-digital-archive

Start with robots.txt. If kaikki.org-digital-archive keeps showing up in your logs, block it at your CDN or web server.

robots.txt

User-agent: kaikki.org-digital-archive
Disallow: /

Cloudflare

# Security › WAF › Custom rules › Create rule
Expression: (http.user_agent contains "kaikki.org-digital-archive")
Action:     Block

WordPress

# WordPress serves a virtual robots.txt. Edit it with your SEO plugin:
# Yoast: SEO › Tools › File editor · Rank Math: General Settings › Edit robots.txt
User-agent: kaikki.org-digital-archive
Disallow: /

nginx

# In your server { } block:
if ($http_user_agent ~* "kaikki\.org\-digital\-archive") {
    return 403;
}

Apache

# .htaccess
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} kaikki\.org\-digital\-archive [NC]
RewriteRule .* - [F,L]
</IfModule>

06 · User agents

User agents we see for kaikki.org-digital-archive

The operator does not publish a full user agent string. Requests contain the token “kaikki.org-digital-archive”.

07 · Verification

Is it really kaikki.org-digital-archive?

kaikki.org-digital-archive’s operator publishes no IP ranges or hostnames, so requests cannot be verified. Treat the user agent as a claim, and watch your logs for unusual request rates.

FAQ

Questions about kaikki.org-digital-archive

What is kaikki.org-digital-archive?

It is a bot linked to kaikki.org, a digital archive and data mining group.

kaikki.org-digital-archive is kaikki.org (Tatu Ylonen)’s other bot