Validator

User Agent Families

W3C Checklink (16 user agent strings)

Xenu (16 user agent strings)

W3C Validator (11 user agent strings)

LinkChecker (9 user agent strings)

HTMLParser (5 user agent strings)

Checkbot (4 user agent strings)

W3C CSS Validator (3 user agent strings)

2Bone LinkChecker (1 user agent strings)

Cynthia (1 user agent strings)

FeedValidator (1 user agent strings)

LinkExaminer (1 user agent strings)

P3P Validator (1 user agent strings)

REL Link Checker Lite (1 user agent strings)

Validator.nu (1 user agent strings)

W3C mobileOK Checker (1 user agent strings)

WDG Page Valet (1 user agent strings)

WDG Validator (1 user agent strings)