What is Black Hole?
Black Hole is an uncategorized agent. You can set up Agent Analytics to see when Black Hole visits your website.
Category
| Triggered By | Unknown |
| Used for AI Model Training | Unknown |
| Affects AI Chat & Search Visibility | Unknown |
| Expected To Follow Robots.txt | Yes |
Why Is Black Hole Visiting My Website?
Black Hole's purpose has not yet been identified. Until it is categorized or its operator explains it, its behavior on your site is the best evidence of its intent.
Should I Block Black Hole?
Monitor it before deciding. Black Hole has not been categorized, so there is no established behavior profile to rely on. Review which pages it requests and how often, then block it if the traffic is excessive or targets content you would not share with an unidentified bot. For context, 7% of the top websites we track currently have robots.txt rules for Black Hole.
How Do I Block Black Hole Using Robots.txt?
Add this rule to your robots.txt file to block Black Hole from accessing your website, or use Automatic Robots.txt to block all uncategorized agents at once. You can customize which pages are blocked by swapping out / for a different path.
User-agent: Black Hole # https://knownagents.com/agents/black-hole
Disallow: /Insights for Black Hole
As of October 30, 2026, this data reflects agent visits measured across thousands of websites using Agent Analytics, combined with daily scans of the top 1000 websites and their robots.txt files.
Robots.txt Compliance
Country of Origin
Robots.txt Blocked Percentage
Black Hole Traffic
Frequently Asked Questions
What Traffic Patterns Should I Expect From Black Hole?
Black Hole does not yet have an established behavior profile. Look for patterns in Agent Analytics: steady, considerate crawling may indicate an unannounced index, while fast, deep sweeps suggest scraping. Its user-agent string and IP addresses may offer the best clues to who operates it.
Does Black Hole Follow Robots.txt Rules?
Black Hole is expected to follow robots.txt rules, so a disallow rule is the appropriate first step if you want to block it. Automatic Robots.txt can add and maintain that rule, while Agent Analytics lets you verify whether Black Hole respects it.
Is Black Hole Used for AI Model Training?
Unknown. Black Hole's operator has not documented enough about its purpose to determine whether collected content is used for AI model training.
Does Blocking Black Hole Affect AI Search or Citations?
Unknown. Black Hole's role is not documented well enough to determine whether blocking it affects AI search results or citations.
Does Black Hole Access Private Content?
Unknown. Black Hole has no established scope, so monitor what it requests. Repeated attempts to reach login or admin paths are a reason to investigate or block it.
How Can I Verify a Request From Black Hole?
Agent Analytics tracks Black Hole visits in real time. You can also check your server logs for requests whose user-agent string contains "Black Hole". Record the paths it requests and how often because no reliable behavior profile exists yet. Because Black Hole does not publish a verification method, any client can claim its identity and a log match is only a clue.