Last seen referenced today.

What is W3C_CSS_Validator?


W3C_CSS_Validator is an uncategorized agent. It's not currently known to be artificially intelligent or AI-related. If you think that's incorrect or can provide more detail about its purpose, please contact us.


Not currently assigned a type

Expected Behavior

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

Access Control

Using Robots.txt

User Agent Token Description
W3C_CSS_Validator Should match instances of W3C_CSS_Validator

You can block W3C_CSS_Validator or limit its access by setting user agent token rules in your website's robots.txt.

# robots.txt
# This blocks W3C_CSS_Validator

User-agent: W3C_CSS_Validator
Disallow: /

Instead of doing this manually, you can generate your robots.txt automatically using the free API or Wordpress plugin.

Get the Robots.txt


Other Websites

of top websites are currently blocking W3C_CSS_Validator in some way
Updated today