Popular User Agents

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Your browser and User-Agent

Browser
User agent

Google User Agents

Crawler User Agent String
• Googlebot
(Desktop)
Googlebot Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html) or (rarely used): Googlebot/2.1 (+http://www.google.com/bot.html)
• Googlebot
(Smartphone)
Googlebot Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.96 Mobile Safari/537.36 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)
• Googlebot-Image
• Googlebot
Googlebot Images Googlebot-Image/1.0
• Googlebot-Video
• Googlebot
Googlebot Video Googlebot-Video/1.0
• Googlebot-News
• Googlebot
Googlebot News Googlebot-News
• APIs-Google APIs-Google APIs-Google (+https://developers.google.com/webmasters/APIs-Google.html)
• Mediapartners-Google AdSense Mediapartners-Google
• Mediapartners-Google Mobile AdSense (Various mobile device types) (compatible; Mediapartners-Google/2.1; +http://www.google.com/bot.html)
• AdsBot-Google-Mobile AdsBot Mobile Web Android
(Checks Android web page ad quality)
Mozilla/5.0 (Linux; Android 5.0; SM-G920A) AppleWebKit (KHTML, like Gecko) Chrome Mobile Safari (compatible; AdsBot-Google-Mobile; +http://www.google.com/mobile/adsbot.html)
• AdsBot-Google-Mobile AdsBot Mobile Web
(Checks iPhone web page ad quality)
Mozilla/5.0 (iPhone; CPU iPhone OS 9_1 like Mac OS X) AppleWebKit/601.1.46 (KHTML, like Gecko) Version/9.0 Mobile/13B143 Safari/601.1 (compatible; AdsBot-Google-Mobile; +http://www.google.com/mobile/adsbot.html)
• AdsBot-Google AdsBot
(Checks desktop web page ad quality)
AdsBot-Google (+http://www.google.com/adsbot.html)
• AdsBot-Google-Mobile-Apps Mobile Apps Android AdsBot-Google-Mobile-Apps

Bing User Agents

Crawler Description User Agent String
Bingbot Bingbot is standard crawler and handles most of crawling needs each day. Bingbot uses a couple of different user agent strings which include several mobile variants with which crawl the mobile web Mozilla/5.0 (compatible; bingbot/2.0; +http://www.bing.com/bingbot.htm) Mozilla/5.0 (iPhone; CPU iPhone OS 7_0 like Mac OS X) AppleWebKit/537.51.1 (KHTML, like Gecko) Version/7.0 Mobile/11A465 Safari/9537.53 (compatible; bingbot/2.0; +http://www.bing.com/bingbot.htm) Mozilla/5.0 (Windows Phone 8.1; ARM; Trident/7.0; Touch; rv:11.0; IEMobile/11.0; NOKIA; Lumia 530) like Gecko (compatible; bingbot/2.0; +http://www.bing.com/bingbot.htm)
MSNBot MSNBot used to be standard crawler before the advent of Bingbot and still handles some of crawling duties. msnbot/2.0b (+http://search.msn.com/msnbot.htm)
MSNBot-Media MSNBot-Media is crawler for images and video. msnbot-media/1.1 (+http://search.msn.com/msnbot.htm)
AdIdxBot AdIdxBot is the crawler used by Bing Ads. AdIdxBot is responsible for crawling ads and following through to websites from those ads for quality control purposes. Same as Bingbot, AdIdxBot has both desktop and mobile variants. Mozilla/5.0 (compatible; adidxbot/2.0; +http://www.bing.com/bingbot.htm) Mozilla/5.0 (iPhone; CPU iPhone OS 7_0 like Mac OS X) AppleWebKit/537.51.1 (KHTML, like Gecko) Version/7.0 Mobile/11A465 Safari/9537.53 (compatible; adidxbot/2.0; +http://www.bing.com/bingbot.htm) Mozilla/5.0 (Windows Phone 8.1; ARM; Trident/7.0; Touch; rv:11.0; IEMobile/11.0; NOKIA; Lumia 530) like Gecko (compatible; adidxbot/2.0; +http://www.bing.com/bingbot.htm)
BingPreview BingPreview is used to generate page snapshots. Has "desktop" and "mobile" variants. Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/534+ (KHTML, like Gecko) BingPreview/1.0b Mozilla/5.0 (Windows Phone 8.1; ARM; Trident/7.0; Touch; rv:11.0; IEMobile/11.0; NOKIA; Lumia 530) like Gecko BingPreview/1.0b

Yahoo! User Agents

Crawler Description User Agent String
Slurp Slurp is the Yahoo Search robot for crawling and indexing web page information. Mozilla/5.0 (compatible; Yahoo! Slurp; http://help.yahoo.com/help/us/ysearch/slurp)

Baidu User Agents

Crawler User Agent Name User Agent String
Baidu Web Search Baiduspider One of the following Mozilla/5.0 (compatible; Baiduspider/2.0; +http://www.baidu.com/search/spider.html) Baiduspider+(+http://www.baidu.com/search/spider_jp.html) Baiduspider+(+http://www.baidu.com/search/spider.htm)
Baidu Image Search Baiduspider-image
Baidu Mobile Search Baiduspider-mobile
Baidu Video Search Baiduspider-video
Baidu News Search Baiduspider-news
Baidu Bookmark Search Baiduspider-favo
Baidu Union Search Baiduspider-cpro
Baidu Business Search Baiduspider-ads

Yandex User Agents

Description User Agent String
The main indexing robot Mozilla/5.0 (compatible; YandexBot/3.0; +http://yandex.com/bots)
Indexing robot Mozilla/5.0 (iPhone; CPU iPhone OS 8_1 like Mac OS X) AppleWebKit/600.1.4 (KHTML, like Gecko) Version/8.0 Mobile/12B411 Safari/600.1.4 (compatible; YandexBot/3.0; +http://yandex.com/bots)
Downloads pages to check user accessibility Mozilla/5.0 (compatible; YandexAccessibilityBot/3.0; +http://yandex.com/bots)
Determines if the page layout is suitable for mobile devices Mozilla/5.0 (iPhone; CPU iPhone OS 8_1 like Mac OS X) AppleWebKit/600.1.4 (KHTML, like Gecko) Version/8.0 Mobile/12B411 Safari/600.1.4 (compatible; YandexMobileBot/3.0; +http://yandex.com/bots)
Generates dynamic banners Mozilla/5.0 (compatible; YandexDirectDyn/1.0; +http://yandex.com/bots
Makes a snapshot of a page Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2228.0 Safari/537.36 (compatible; YandexScreenshotBot/3.0; +http://yandex.com/bots)
The indexing robot Mozilla/5.0 (compatible; YandexImages/3.0; +http://yandex.com/bots)
The Y indexing robot Mozilla/5.0 (compatible; YandexVideo/3.0; +http://yandex.com/bots)
The indexing robot Mozilla/5.0 (compatible; YandexVideoParser/1.0; +http://yandex.com/bots)
Multimedia data indexer Mozilla/5.0 (compatible; YandexMedia/3.0; +http://yandex.com/bots)
The robot. Indexes comments to posts Mozilla/5.0 (compatible; YandexBlogs/0.99; robot; +http://yandex.com/bots)
The favicons indexer Mozilla/5.0 (compatible; YandexFavicons/1.0; +http://yandex.com/bots)
The indexing robot Mozilla/5.0 (compatible; YandexWebmaster/2.0; +http://yandex.com/bots)
The robot that validates markup submitted through the Structured data validator form Mozilla/5.0 (compatible; YandexPagechecker/1.0; +http://yandex.com/bots)
The mobile services robot Mozilla/5.0 (compatible; YandexImageResizer/2.0; +http://yandex.com/bots)
Downloads the ads' landing pages to check their availability and topic Mozilla/5.0 (compatible; YaDirectFetcher/1.0; Dyatel; +http://yandex.com/bots)
The robot used for syncing with other calendars Mozilla/5.0 (compatible; YandexCalendar/1.0; +http://yandex.com/bots)
The sitelinks "fetcher" used for checking the availability of the pages detected as sitelinks Mozilla/5.0 (compatible; YandexSitelinks; Dyatel; +http://yandex.com/bots)
The Yandex Metrika robot Mozilla/5.0 (compatible; YandexMetrika/2.0; +http://yandex.com/bots)
The Yandex.News robot Mozilla/5.0 (compatible; YandexNews/4.0; +http://yandex.com/bots)
Vertical search robot Mozilla/5.0 (compatible; YandexVertis/3.0; +http://yandex.com/bots)
The robot detecting site mirrors Mozilla/5.0 (compatible; YandexBot/3.0; MirrorDetector; +http://yandex.com/bots)
The robot that regularly downloads product catalogues in YML files by users's requests Mozilla/5.0 (compatible; YandexSearchShop/1.0; +http://yandex.com/bots)
The robot of Yandex.Verticals: Auto.ru, Yandex.Realty, Yandex.Job, Yandex.Reviews Mozilla/5.0 (compatible; YandexVerticals/1.0; +http://yandex.com/bots)
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