W3C_Validator
What is W3C_Validator?
About
W3C_Validator is a developer helper operated by W3C. If you think this is incorrect or can provide additional detail about its purpose, please contact us. You can see how often W3C_Validator visits your website by setting up Dark Visitors agent analytics.
Expected Behavior
Developer helpers generally visit websites on direct behalf of a user who is evaluating some feature or attribute. Visits can be one-off or part of a larger crawl.
Type
Detail
Operated By | W3C |
Last Updated | 13 hours ago |
Insights
Top Website Robots.txts
Country of Origin
Global Traffic
The percentage of all internet traffic coming from Developer Helpers
Top Visited Website Categories
Robots.txt
Should I Block W3C_Validator?
Probably not. Developer helpers are normally used to optimize or find problems with your website.
How Do I Block W3C_Validator?
You can block W3C_Validator 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 | W3C_Validator/1.305.2.12 libwww-perl/5.64 |
# robots.txt
# This should block W3C_Validator
User-agent: W3C_Validator
Disallow: /