Discover chrome mobile user agent, include the articles, news, trends, analysis and practical advice about chrome mobile user agent on alibabacloud.com
Python version: Python3ide:pycharm2017.3.3First, why to set up the user AgentSome sites do not like to be accessed by the crawler, so will detect the object, if it is a crawler, he will not let you access, by setting up the user agent to achieve the purpose of hidden identity, the user agent's Chinese name for the user
after another, and the display format of user proxy strings became more and more similar ......
Test Tool
Use various desktop browser debugging tools, mainly IE debugging tools and chrome emulation mobile phone debugging tools
Desktop test results
[1] IE
[1, 1.1] IE3
Mozilla/2.0 (compatible; MSIE3.02; windows 95)
[1, 1.2] IE6
Mozilla/4.0 (compatible; MSIE 6.0;
Are you curious about the User-Agent that identifies the browser? Why does each browser contain Mozilla?
Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/27.0.1453.94 Safari/537.36Mozilla/5.0 (Linux; U; Android 4.1.2; zh-tw; GT-I9300 Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0
Change the properties of the PC-side Chrome browser and set the PC-side Chrome browser to a mobile-phone-size browser. #!usr/bin/env python#-*-coding:utf-8-*-#edit chrome settings disguised as mobile m station fromSeleniumImportWebdriverImportUnittest,timeclassTestdemo (unit
The following is a usage tips published by a chrome user, hoping to help readers.
Many websites use User-Agent to determine the browser type. For a 3G mobile phone, the page content of the mobile phone is displayed. For a common
What is User-agent?User-agent is a special string header that is widely used to indicate browser client information, allowing the server to identify the operating system and version of the client computer, CPU type, browser and version, browser rendering engine, browser language, etc.Different browsers (Ie,ff,opera,
+ (http://www.entireweb.com/about/search_tech/speedy_spider)
Analysis:
There are so many robot visits! Note that User-Agent can be forged. Many search crawlers are mentioned on the description page. However, you can analyze the IP address to identify it!
Other User-Agent
+ (^_^)Khan! I don't know what it is.
) applewebkit/537.36 (khtml, like Gecko) chrome/45.0.2454.85 safari/537.36
Mobile End Test Results
"1" ipad
mozilla/5.0 (IPad; CPU os 7_0 like Mac os X applewebkit/537.51.1 (khtml, like Gecko) version/7.0 mobile/11a465
"2" iphone
mozilla/5.0 (IPhone; CPU iPhone os 8_0 like Mac os X applewebkit/600.1.3 (khtml, like Gecko) version/8.0
Are you curious about the user-agent that identifies the browser identity, and why each browser has the Mozilla word?
1
Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/27.0.1453.94 Safari/537.36
2
Mozilla/5.0 (Linux; U; Android 4.1.2; zh-tw; GT-I9300 Build/JZO54K) AppleWebKit/534.30 (KHTML
Many websites use User-Agent to determine the browser type. For a 3G mobile phone, the page content of the mobile phone is displayed. For a common browser, the page content is displayed.
Google Chrome can be easily used as a 3G mobile
/8b117 safari/6531.22.7", "mozilla/5.0 (IPhone; U CPU iPhone os 4_2_1 like Mac os X; DA-DK) applewebkit/533.17.9 (khtml, like Gecko) version/5.0.2 mobile/8c148 safari/6533.18.5", "mozilla/5.0 (Macintosh; U Intel Mac OS X 10_5_6; En-US) applewebkit/530.9 (khtml, like Gecko) chrome/safari/530.9", "mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_0) applewebkit/535.11 (khtml, like Gecko)
Many websites use User-agent to judge the browser type, if it is a 3G mobile phone, display the contents of the mobile page, if it is a normal browser, display ordinary Web content.Google Chrome browser can be easily used when 3G phone simulator. In Windows "Start" –> "Run"
example, to identify which crawler the request comes from, this answer meets this requirement.
[1] The "must" in the answer is not a technical requirement. I admit that it contains a programmer's sense of humor. It is recommended that you do not enter it as needed. Some services are anti-crawler and have dictionary tables. If it is not a browser on the market, the requests will be discarded. Corresponding to the top-ranking answer, the User
Http://doc.scrapy.org/en/1.0/topics/practices.html#bans
1. User Agent Rotation
2. Forbidden Cookies
3. Set the Download_delay greater than 2s
4. Using Google Cache (not understood)
5. Using a rotated IP (not yet)
6. Using the Distributed downloader (I don't know if Scrapy-redis is counted)
User Agent Rotation Example
Many web sites through user-agent to determine the type of browser, if it is 3G mobile phone, display mobile page content, if it is a normal browser, display ordinary Web content. Google Chrome Browser, can be easily used as a 3G phone simulator. In the Windows "start"--> "R
Selenium Operation browser is not loaded any configuration, online search for half a day, about the Firefox load configuration multipoint, chrome data is very few, here is about loading Chrome configuration method:First, load all chrome configurationsUse the Chrome address bar to enter
ReproducedBy default, Scrapy acquisition can only use a user-agent, which is easily blocked by the site, the following code can be randomly selected from a pre-defined list of user-agent to collect different pagesAdd the following code in the settings.py
Downloader_middlewares = {
' scrapy.contrib.downloadermid
Original Address http://www.testwo.com/article/177If you're testing a web app or a hybrid app, Chrome Mobile emulation can help you quickly complete debug on your PC, or smoke and lay out the HTML section.Mobile emulation only after the Chrome 32 version!!!Launch simulatorOpen chrome,navigate to Developer Tools (F12) a
Recently in the study of computer networks, the browser's HTTP request message has been known, found an interesting phenomenon. Search for a moment, find the following article, laughing at me.
Are you curious about the user-agent that identifies the browser identity, and why each browser has the Mozilla word?
mozilla/5.0(Windows NT6.1; WOW64) applewebkit/537.36(khtml, like Gecko)
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