# bitlybot

bitlybot is the official web crawler for Bitly, the popular URL shortening and link management service. When a user creates a Bitly link, this bot visits the destination URL to validate the page, scan for security threats, and gather basic information for Bitly's analytics services. Its presence on your site is a direct result of your content being shared via Bitly links and is a key part of maintaining a safe and reliable link-sharing ecosystem.

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- [Privacy-focused, simple website analytics](https://plainsignal.com/)
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- [bitlybot](https://plainsignal.com/agents/bitlybot)


## What is bitlybot?

Bitlybot is the web crawler for the URL shortening service Bitly. Its function is to process and validate the destination URLs of links shortened through Bitly's platform. Unlike general-purpose search crawlers that index entire sites, bitlybot's visits are targeted; it only follows specific shortened links to analyze their destination pages. It identifies itself in server logs with the user-agent string `bitlybot` or `node bitlybot`. The bot's activity is crucial for Bitly to maintain the security and integrity of its link ecosystem.


## Why is bitlybot crawling my site?

The presence of bitlybot in your server logs is a direct indication that someone has created a Bitly shortened link pointing to one of your web pages. When a Bitly link is created or accessed, the bot may visit the destination URL to perform validation checks, scan for malicious content, and collect data for Bitly's analytics. The frequency of visits is tied to how often your content is being shared using Bitly links. This is considered a legitimate and authorized activity, as it is integral to the functioning of the Bitly service.


## What is the purpose of bitlybot?

Bitlybot serves several key functions for the Bitly platform. First, it validates that destination URLs are active and not leading to broken pages. Second, it performs security scans to protect users from malicious content like phishing or malware. Finally, it gathers basic page information to support the analytics services that Bitly provides to its users, helping them track engagement with their shared links. For website owners, the bot's activity is beneficial as it facilitates the safe and effective sharing of your content through a trusted link management service.


## How do I block bitlybot?

If you wish to prevent bitlybot from visiting your website, you can add a rule to your `robots.txt` file. However, keep in mind that this may interfere with Bitly's ability to validate and provide analytics for links pointing to your site.

To block bitlybot, add the following lines to your `robots.txt` file:

```
User-agent: bitlybot
Disallow: /
```


## Related agents and operators


## Canonical

Human friendly, reader version of this article is available at [bitlybot](https://plainsignal.com/agents/bitlybot)

## Copyright

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