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Search engine crawler · Exalead (Dassault Systèmes)

Exabot is Exalead (Dassault Systèmes)’s search engine crawler

Exabot is the web crawler of Exalead, a French search technology company that Dassault Systèmes acquired in 2010.

Respects robots.txt

Our take

Your call

It is a legitimate crawler, but its public search engine brings little or no traffic today.

User agent

Mozilla/5.0 (compatible; Exabot/3.0; +http://www.exabot.com/go/robot)

01 · Operator

Who operates Exabot

Official docs
chrisleverseo.com

02 · Behavior

What Exabot does

It crawled the web for Exalead's search engine. A variant, Exabot-Thumbnails, fetched pages for preview images. Exalead's public web search has been reported as discontinued.

03 · Impact

Why Exabot matters for your site

If you allow it

  • Long-established, identified crawler
  • Respects robots.txt per UA databases

If you block it

  • Exalead's public web search is no longer a traffic source
  • Cannot be verified by IP or DNS

04 · Allow

How to allow Exabot

robots.txt

User-agent: Exabot
Allow: /

Cloudflare

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

nginx

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

Apache

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

05 · Block

How to block Exabot

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

robots.txt

User-agent: Exabot
Disallow: /

Cloudflare

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

nginx

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

Apache

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

06 · User agents

User agents we see for Exabot

The user agent published by the operator:

Mozilla/5.0 (compatible; Exabot/3.0; +http://www.exabot.com/go/robot)

07 · Verification

Is it really Exabot?

Exabot’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 Exabot

Who operates Exabot?

Exabot belongs to Exalead, a French search company owned by Dassault Systèmes since 2010.

Is Exabot the same as ExaBot from Exa?

No. Exabot is Exalead's crawler. ExaBot is a different crawler from the AI search company Exa.

Should I block Exabot?

It is not harmful, but Exalead's public search brings little traffic. Block it if you want to save crawl load.

Last reviewed Oct 7, 2026

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