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User Agents

Rocket Validator identifies itself during the validation requests via User Agent strings.

Choose an emulated device from the list below to see the User Agent of each subsystem.

Link Spider UA

Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4512.0 Safari/537.36 (compatible; RocketValidator/Spider +https://rocketvalidator.com)

HTML Validator UA

Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4512.0 Safari/537.36 (compatible; RocketValidator/HTMLChecker +https://rocketvalidator.com)

Accessibility Validator UA

Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4512.0 Safari/537.36 (compatible; RocketValidator/AccessibilityChecker +https://rocketvalidator.com)

Screenshot System UA

Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4512.0 Safari/537.36 (compatible; RocketValidator/Screenshot +https://rocketvalidator.com)

Custom User Agent for Tunneling services

When the URL being accessed by Rocket Validator comes from a tunneling service like localtunnel, ngrok and others, we use a simplified version of the User Agent to skip the warning page. See How to Validate your Local Server for more information.

Link Spider UA for tunneling services

RocketValidator/Spider +https://rocketvalidator.com

HTML Validator UA for tunneling services

RocketValidator/HTMLChecker +https://rocketvalidator.com

Accessibility Validator UA for tunneling services

RocketValidator/AccessibilityChecker +https://rocketvalidator.com

Screenshot System UA for tunneling services

RocketValidator/Screenshot +https://rocketvalidator.com

You may also be interested in the list of server IPs for each Rocket Validator subsytem.