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Search engine crawler · Ykoon

Plukkie is Ykoon’s search engine crawler

Plukkie is the search engine crawler of Ykoon. It builds a Dutch-language search index.

Respects robots.txt

Our take

Allow

It is a search engine crawler that follows robots.txt and crawls politely.

User agent

Mozilla/5.0 (compatible; Plukkie/1.6; http://www.botje.com/plukkie.htm)

01 · Operator

Who operates Plukkie

Company
Ykoon
Official docs
botje.com

02 · Behavior

What Plukkie does

Plukkie crawls sites mainly in the Netherlands, Belgium, France and the United Kingdom. Its default delay is 5 seconds between requests to the same IP. It supports the Crawl-delay directive in robots.txt.

03 · Impact

Why Plukkie matters for your site

If you allow it

  • Supports a Dutch-language search index
  • Polite default crawl delay

If you block it

  • Small search engine with little traffic
  • No benefit for sites outside its target regions

04 · Allow

How to allow Plukkie

robots.txt

User-agent: plukkie
Allow: /

Cloudflare

# Security › WAF › Custom rules › Create rule
Expression: (http.user_agent contains "plukkie")
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: plukkie
Allow: /

nginx

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

Apache

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

05 · Block

How to block Plukkie

Plukkie follows robots.txt, so one rule is enough. Use a server or CDN rule only to stop spoofed copies.

robots.txt

User-agent: plukkie
Disallow: /

Cloudflare

# Security › WAF › Custom rules › Create rule
Expression: (http.user_agent contains "plukkie")
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: plukkie
Disallow: /

nginx

# In your server { } block:
if ($http_user_agent ~* "plukkie") {
    return 403;
}

Apache

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

06 · User agents

User agents we see for Plukkie

The user agent published by the operator:

Mozilla/5.0 (compatible; Plukkie/1.6; http://www.botje.com/plukkie.htm)

07 · Verification

Is it really Plukkie?

Plukkie’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 Plukkie

What is Plukkie?

Plukkie is a search engine crawler operated by Ykoon. It focuses on a Dutch-language index.

How do I block Plukkie?

Add "User-agent: plukkie" followed by "Disallow: /" to robots.txt. Ykoon notes changes can take some days to apply.

Does Plukkie support Crawl-delay?

Yes. The default delay is 5 seconds, and higher Crawl-delay values slow it down.

Last reviewed Oct 8, 2026

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