Validator.nu

What is Validator.nu?

About

Validator.nu is an uncategorized agent. If you think this is incorrect or can provide additional detail about its purpose, please contact us. You can see how often Validator.nu visits your website by setting up Dark Visitors agent analytics.

Expected Behavior

Behavior will vary depending on whether this agent is a search engine crawler, data scraper, archiver, one-off fetcher, etc.

Type

Uncategorized
Not currently assigned a type

Detail

Last Updated 1 hour ago

Insights

Top Website Robots.txts

0%
0% of top websites are blocking Validator.nu
Learn How →

Country of Origin

United States
Validator.nu normally visits from the United States

Global Traffic

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The percentage of all internet traffic coming from Uncategorized Agents

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Robots.txt

Should I Block Validator.nu?

It's difficult to say without a type. Its purposes could either be good or bad for your website, depending on what it is.

How Do I Block Validator.nu?

⚠️ Manual Robots.txt Edits Are Not Scalable
New agents are created every day. Instead, serve a continuously updating robots.txt that blocks new agents automatically.
Set Up Automatic Robots.txt

You can block Validator.nu or limit its access by setting user agent token rules in your website's robots.txt. Set up Dark Visitors agent analytics to check whether it's actually following them.

User Agent String Validator.nu/LV https://validator.w3.org/services 
# robots.txt
# This should block Validator.nu

User-agent: Validator.nu
Disallow: /