alexabot

Alexa ia_archiver

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UserAgent

ia_archiver (+http://www.alexa.com/site/help/webmasters; crawler@alexa.com)
ia_archiver-web.archive.org
Mozilla/5.0 (compatible; Alexabot/1.0; +http://www.alexa.com/help/certifyscan; certifyscan@alexa.com)

参考

• http://user-agent-string.info/list-of-ua/bot-detail?bot=ia_archiver