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SOCIAL PREVIEWS · VARIOUS

Social and chat link previews

Fetchers that build the preview card when someone shares your page in a social or chat app.

Copy the robots.txt rule
All social previews
  • Fetches when a person asks
  • Cannot be verified
  • No public documentation
At a glanceVarious
  • UnverifiedIdentityNo published check
  • User-ledrobots.txtFetches when a person asks
  • PurposeSocial previewNot an AI product
  • TokenTwitterbot, LinkedInBot, Slackbot, DiscordbotUse it in a User-agent line

robots.txt

It fetches a page because a person asked. The operator says robots.txt may not apply, so block it at the server or CDN if you need to.

Block Social and chat link previews
User-agent: Twitterbot
User-agent: LinkedInBot
User-agent: Slackbot
User-agent: Discordbot
Disallow: /
Allow Social and chat link previews
User-agent: Twitterbot
User-agent: LinkedInBot
User-agent: Slackbot
User-agent: Discordbot
Allow: /

Quick facts

robots.txt token
Twitterbot LinkedInBot Slackbot Discordbot
User agent contains
Twitterbot, LinkedInBot, Slackbot, Discordbot, TelegramBot, WhatsApp, redditbot, SkypeUriPreview, Embedly
Operator
Various
Purpose
Social preview
robots.txt
User-triggered
Verification
Cannot be verified

If you block it

Links to your pages lose their preview card when shared on that platform.

Check a visit is real

  • No published way to check it. A request using this name is only a claim.

Where this comes from

The same registry NdovuSEOLabs uses to classify crawler traffic in your server and CDN logs.

Registry version 2026-10-29.1

See which of these crawlers visit your site.

Crawl Analytics reads your own server and CDN logs and checks each claim against the operator’s published IP ranges and DNS.

Explore Crawl Analytics