user-agent

问题 Could anyone tell me the best way to detect a browser using php? IE 6 and 7 are terrible when it comes to achieving full browser compatibility with CSS so my site isn't going to support and version of IE that's older than 8. I'm current using $_SERVER['HTTP_USER_AGENT'] to detect the browser but I've been told that that isn't a good way to do it since browsers can lie and send any user agent info that they want. So, does anyone know of a sure fire way to detect the type of browser that the

问题 I need to store user agent strings in a database for tracking and comparing customer behavior and sales performance between different browsers. A pretty plain user agent string is around 100 characters long. It was decided to use a varchar(1024) for holding the useragent data in the database. (I know this is overkill, but that's the idea; it's supposed to accommodate useragent data for years to come and some devices, toolbars, applications are already pushing 500 characters in length.) The

问题 The obvious answer of using ClientWebSocket.SetHeader throws an exception because it's a protected header: System.ArgumentException occurred Message=The 'User-Agent' header must be modified using the appropriate property or method. Parameter name: name ParamName=name StackTrace: at System.Net.WebHeaderCollection.ThrowOnRestrictedHeader(String headerName) The exception string suggests using a property/method on the ClientWebSocket itself but I can't find any such property/method. It seems this

问题 There are endless examples in the tubes of regexp patterns designed to detect mobile User-Agents, even quite a few in answers herein. Do you know of one that is perhaps most widely used and supported (updated, in perhaps a Git repository)? There tends to be a It's dangerous to go alone! Take this. version of everything, eventually (e.g. browser reset CSS by Eric Meyer, et al), so perhaps there is for this as well. 回答1: detectmobilebrowsers.com provides this solution (for JS): (function(a,b)

问题 Is the user agent for Edge or Spartan browsers known already? Can anyone tell me how to detect this browser and diferentiate it from IE in advance of its release? 回答1: A simple google search found me the answer you are looking for: http://forum.piwik.org/read.php?3,125732 Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/39.0.2171.71 Safari/537.36 Edge/12.0 Therefore you should match: "Edge\/\d+" 回答2: According to this answer: // Internet Explorer 6-11

问题 The following code validates the user agent accessing the site however I am getting the error. What do I need to update to accommodate scenarios where there is no user agent being set? ERROR PHP Notice: Undefined index: HTTP_USER_AGENT in Utils.php on line 7 CODE public static function detectBrowser() { $userAgent = strtolower($_SERVER['HTTP_USER_AGENT']); if (preg_match('/opera/', $userAgent)) { $name = 'opera'; } elseif (preg_match('/webkit/', $userAgent)) { $name = 'safari'; } elseif (preg

问题 I've a task to test different user agents on a URL through automation. I'm using ruby to code, and I've been trying to set an user agent using the following method, but it doesn't seem to recognize the user agent. @http = Net::HTTP.new(URL) response = @http.request_get(URL, {'User-Agent' => useragent}) Is there any other way to do this, or what am I doing wrong? 回答1: http = Net::HTTP.new("your.site.com", 80) req = Net::HTTP::Get.new("/path/to/the/page.html", {'User-Agent' => 'your_agent'})

问题 I'm trying to determine the user agent string for surface RT for testing purposes. 回答1: Just do some Google'ing and you will find your answer. Internet Explorer 10 User-agent string Internet Explorer 10 on Windows RT: Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.2; ARM; Trident/6.0) Update after comment below The link above also states: Identifying touch-enabled systems Internet Explorer 10 introduces the "Touch" UA string token. If this token is present at the end of the UA string, the

问题 Why does Internet Explorer has Mozilla in UserAgent? In Firefox it's stating: Mozilla/5.0 (Windows NT 6.1; rv:7.0.1) Gecko/20100101 Firefox/7.0.1 In Interner Explorer it's stating: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; Tablet PC 2.0; .NET4.0E; .NET4.0C) In some blogs/forums it's mentioned, that it is due to some historical reasons, but what's the reason? It would be very helpful