01 · Operator
Who operates Crisp-LinkPreview
- Company
- Crisp
- Type
- Social preview bot
- Official docs
- docs.crisp.chat
02 · Behavior
What Crisp-LinkPreview does
When a user sends a link in a Crisp conversation, this agent fetches the page. It reads the data needed to show a link preview. Crisp asks site owners to whitelist it.
03 · Impact
Why Crisp-LinkPreview matters for your site
If you allow it
- Shows rich previews when your links are shared in Crisp chats
- Fetches only links that people send
If you block it
- Brings no search visibility
- Unneeded if your pages are not shared via Crisp
04 · Allow
How to allow Crisp-LinkPreview
robots.txt
User-agent: Crisp-LinkPreview
Allow: /Cloudflare
# Security › WAF › Custom rules › Create rule
Expression: (http.user_agent contains "Crisp-LinkPreview")
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: Crisp-LinkPreview
Allow: /nginx
# nginx serves every user agent by default.
# Make sure no rule like this blocks it:
# if ($http_user_agent ~* "Crisp\-LinkPreview") { return 403; }Apache
# Apache serves every user agent by default.
# Make sure .htaccess has no rule like this:
# RewriteCond %{HTTP_USER_AGENT} Crisp\-LinkPreview [NC]
# RewriteRule .* - [F,L]05 · Block
How to block Crisp-LinkPreview
Start with robots.txt. If Crisp-LinkPreview keeps showing up in your logs, block it at your CDN or web server.
robots.txt
User-agent: Crisp-LinkPreview
Disallow: /Cloudflare
# Security › WAF › Custom rules › Create rule
Expression: (http.user_agent contains "Crisp-LinkPreview")
Action: BlockWordPress
# WordPress serves a virtual robots.txt. Edit it with your SEO plugin:
# Yoast: SEO › Tools › File editor · Rank Math: General Settings › Edit robots.txt
User-agent: Crisp-LinkPreview
Disallow: /nginx
# In your server { } block:
if ($http_user_agent ~* "Crisp\-LinkPreview") {
return 403;
}Apache
# .htaccess
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} Crisp\-LinkPreview [NC]
RewriteRule .* - [F,L]
</IfModule>06 · User agents
User agents we see for Crisp-LinkPreview
The operator does not publish a full user agent string. Requests contain the token “Crisp-LinkPreview”.
07 · Verification
Is it really Crisp-LinkPreview?
Crisp-LinkPreview’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 Crisp-LinkPreview
What is Crisp-LinkPreview?
It is Crisp's server agent that fetches a page to generate a preview for a link sent in a chat.
Should I block Crisp-LinkPreview?
Crisp recommends whitelisting it. Blocking it removes previews of your links in Crisp chats.
Last reviewed Oct 7, 2026