Bots/mj12-bot
User-Agent bots

MJ12 Bot

Majestic SEO crawler (MJ12bot).

Mar 2015
first seen in our archive
61
distinct User-Agents
262K+
requests seen
search
category

Official: majestic12.co.uk/bot.php

Parse it

Send the User-Agent to the API, device, OS, browser, and bot detection come back in one response. MJ12 Bot is identified by name when the string matches.

curl -s "https://api.parseapi.com/useragent" \
  -H "User-Agent: Mozilla/5.0 (compatible; MJ12bot/v1.4.8; http://mj12bot.com/)" \
  -H "X-Api-Key: $PARSEAPI_KEY"
Get startedUseragent API

Example User-Agents

Real strings from our archive that resolve to MJ12 Bot. Each opens a full breakdown.