What does desktop ua mean?
Desktop UA is the desktop user agent, referred to as UA (User Agent); its function is to enable the server to identify the operating system and version, CPU type, browser and version, browser rendering engine used by the customer, Browser language, browser plug-ins, etc.
Some websites often send different pages to different operating systems and different browsers by judging the UA. Therefore, some pages may not be displayed properly in a certain browser, but it can be bypassed by disguising the UA. Passed testing.
Since many websites ignore the two-digit version number when performing UA detection, it may cause the browser and later versions to receive bad pages. Therefore, the browser identification item in versions after Browser 10 Fixed for browser, add real version information at the end of UA string.
Extended information
user-agent string format:
Google Chrome browser uses WebKit as the rendering engine, but the JavaScript engine uses Another kind. The initially released version is 0.2. Its user-agent string format is based on webKit information and adds the following:
Mozilla/5.0 (Platform; Encryption; OS-or-CPU; Language) AppleWebKit /AppleWebKitVersion (KHTML, like Gecko) Chrome/ChromeVersion Safari/SafariVersionChrome 0.2 An example of user-agent information is:
Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/525.13 (KHTML , like Gecko) Chrome/0.2.149.29 Safari/525.13 Although I cannot guarantee it completely, it is very likely that the WebKit version and the Safari version will always be in sync.
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