User Agent String explained :
| W3C_Validator 1.591 | |
|---|---|
| W3C_Validator | Name : W3C_Validator |
| 1.591 | W3C_Validator version |
| Description: | W3C Markup Validation Service, checks Web documents in formats like HTML and XHTML for conformance to W3C Recommendations and other standards |
| First visit: | 2008.10.29 01:58 |
| Last visit: | 2018.07.29 08:04 |
All W3C_Validator user agent strings | |