Slackbot User-Agent & Blocking Rules
Operated by Slack. Verify the official user-agent string and safety status for this bot. Use the tools below to run a live crawlability test and get copy-paste robots.txt rules to manage its access. Crawler info last updated on .
What is Slackbot?
Slackbot fetches links shared in Slack channels to unfurl them and display a preview of the content.
Test if Slackbot can access your URL
Enter URL to test if Slackbot is allowed or blocked.
Is Slackbot safe?
Yes, Slackbot is considered safe.
This bot is verified and generally respected by the SEO community.
For more information about our safety badges, visit our documentation.
User-Agent String used by Slackbot
SlackbotHow to block Slackbot with robots.txt?
Add the following standard robots.txt rule to prevent Slackbot from accessing your site.
User-agent: Slackbot Disallow: /
What happens if I block Slackbot?
Medium Impact
Blocking Slackbot may prevent proper link previews when your content is shared on social media platforms. This could affect how your links appear when shared, but won't impact search rankings.
Common use cases for Slackbot
Understanding how Slackbot is typically used can help you make informed decisions about whether to allow or block it on your website.
- Generates link previews for social media shares
- Fetches Open Graph and Twitter Card metadata
- Creates rich snippets when links are posted
- Validates and displays website thumbnails
- Improves user experience on social platforms