| Type | Validator |
| Producer | World Wide Web Consortium |
| Other of the same producer | Amaya, P3P Validator, W3C Checklink, W3C CSS Validator, W3C Internationalization Checker, W3C Unicorn validator, W3C Validator, W3C Validator Suite |
| UA homepage | http://validator.w3.org/mobile/ |
| Layout engine | n/a |
| Send UA CH | No |
| Description | This checker performs various tests on a Web Page to determine its level of mobile-friendliness. |
| Useragentstring example
W3C-mobileOK/DDC-1.0 ....... | |
.. examples are anonymous .. (examples available to users with subscription. ... Learn More) | |