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Validator W3C Markup Validation Service specifications

W3C Markup Validation Service is an automated web crawler and indexing bot (Validator).

Operator W3C
Category Validator
Report

Latest Validator W3C Markup Validation Service user agents:

User Agent PlatformDevice
W3C_Validator_Suite (http://validator.w3.org/services) UnknownUnknown
W3C_Validator/1.767 UnknownUnknown
W3C_Validator/1.606 UnknownUnknown
W3C_Validator/1.591 UnknownUnknown
W3C_Validator/1.575 UnknownUnknown
W3C_Validator/1.555 UnknownUnknown
W3C_Validator/1.432.2.5 UnknownUnknown
W3C_Validator/1.432.2.22 UnknownUnknown
W3C_Validator/1.432.2.19 UnknownUnknown
W3C_Validator/1.432.2.10 UnknownUnknown
W3C_Validator/1.305.2.12 libwww-perl/5.64(Linux LLC 1.2) UnknownUnknown
W3C_Validator/1.3 libwww-perl/6.68 UnknownUnknown
W3C_Validator/1.3 http://validator.w3.org/services UnknownUnknown
W3C_Validator/1.3 UnknownUnknown
Validator.nu/LV https://validator.w3.org/services UnknownUnknown
Validator.nu/LV http://validator.w3.org/services UnknownUnknown
Validator.nu/3 UnknownUnknown
Validator.nu/LV UnknownUnknown
W3C_Validator/1.654 UnknownUnknown
W3C_Validator/1.305.2.12 libwww-perl/5.64 UnknownUnknown