user agent

Last week, Microsoft officially launched the first preview version of Internet Explorer 11 with Windows 8.1. In this way, rumors of a leaked version of the controversial web browser should rest. We now know some important details about Internet

Http://www.w3cways.com/898.html Different browsers are not consistent with the default styles for the same elements, which is why we write the * {padding:0;marging:0} at the very beginning of the CSS; But that's not all I'm saying right now.

For website administrators and content providers, there are sometimes some website content that they do not want to be crawled by robots. To solve this problem, the robots Development Community provides two methods: robots.txt and the robots meta

Reprinted from: Http://www.umtry.com/201106/firefox%E6%89%93%E9%80%A0%E6%89%8B%E6%9C%BAwap%E7%BD%91%E7% AB %99%E6%B5%8B%E8%AF%95%E7%8E%AF%E5%A2%83.html5 1. Download and install Firefox (required) 2. Install Firefox additional components->

We know that search engines have their own "search bots", and they build their own databases by constantly crawling information on the web along the pages of links (typically HTTP and src links). For web site managers and content providers,

htAccess files (hypertext Access file) is a very powerful configuration file for Apache Web servers, and for this file, Apache has a bunch of parameters that allow you to configure almost any function you want.Use. htaccess block search engine

ObjectiveThe so-called Web crawl, is the URL address specified in the network resources from the network stream read out, save to Local. There are many libraries in python that can be used to crawl Web pages, so let's learn urllib first.Note: This

JavaScript Advanced Programming Chapter Nineth-client-side detectionClient-side detection is one of the most controversial topics in JavaScript development, and due to differences between browsers, it is often necessary toTo write different code

When you search for a website in the engine, you will first check that the root domain of the website contains a plain text file called robots.txt. The Robots.txt file is used to limit the access scope of the search engine to its website, that is,

Through Website access logs, we can see many spider crawling records. The search engine complies with the Internet robotsagreement. It is placed in the robots.txt text file under the website root directory. In the file, you can set search engine

Many Android Developers or websites may question how to differentiate UA between Android phone and Android pad. It is true that this problem is very difficult. I was also troubled for a while, and later found a solution in

Source: http://www.freehao123.com/user-agent-switcher/Currently, many large websites have launched mobile-version web pages. However, mobile-version web pages are slow to open and there are various restrictions on downloading files,What if you see a

Original article: http://javascriptkit.com/howto/robots.shtmlTranslator: Tony Qu, BluePrint translation team There is a kind of strength that has been penetrating into a large number of websites and pages. We usually don't see them, and they are

That is, the computer Web page will show the mobile version then we can on the computer WAP network, computer 3GQQ, mobile Tencent and so on can be implemented and no special browser oh. Just modify the browser's user-agent to disguise your

I. XMLHttpRequest origin and native introductionXMLHttpRequest (XHR) is an API object in which methods can be used to transfer data on the browser and server side. This object is provided by the browser's JS environment. The purpose of obtaining

Default Request Headercommand line execution, new crawlerScrapy startproject myspidercd myspider scrapy genspider scrapy_spider httpbin.orgThrough the request to https://httpbin.org/get?show_env=1, we can view the browser information of this request

First of all, we refer to its use method from its definition, it is convenient for the broad seoer to use rotbots.txt more precisely. First, the definition: robots.txt is stored in the site root directory of a plain text file, let search spiders

Sqlmap usually use very much, but the command is also very much. Every time you use, you have to search the Internet. So I decided to summarize the common usage of sqlmap and make it easy for myself to use. Special parameters -V -V indicates the

The way to attach a software is to use Fiddler to set the browser's UAThe following 3 ways are manualby disguising the user-agent, the browser simulates Android device. The first method: Create a new chrome shortcutRight click on the Chrome browser

Ghost's website only imposes no restrictions on crawling of search engine spider. From this perspective, if you do not set robots.txt, the website function will not be affected.By setting robots.txt, you can better maintain the web server and