robots disallow

, if we find this content on other web pages on the Internet, we will still index the web pages of these web pages. Therefore, the webpage may have other public information (such as the positioning text in the link to the website or the title of the Open Directory Project (www.dw..org ), may appear in Google search results. To use the robots.txt file, you must have the permission to access the root directory of your domain (if you are not sure whether you have the permission, check with your n

fact, the biggest reason is that your product page is too similar. Your product page head and the bottom of the same information, the left is generally a commodity classification and recently browsed the commodity plate, if you do not have a number of product details of the new content, search engines will not be included. Second, prohibit the inclusion of redundant pages Shopex Mall System URL parameter changes will produce a lot of product List page, but the title tag of these pages is exac

When a search engine accesses a Web site, it first checks to see if there is a plain text file called robots.txt under the root domain of the site. The Robots.txt file is used to limit the search engine's access to its Web site, which tells the search engine which files are allowed to be retrieved (downloaded). This is what you often see on the web, "reject the standard of the Robots" (Exclusion Standard). Below we refer to res for short. Format of Ro

What is robots.txt? Robots.txt is a plain text file that is the first file to be viewed when crawling a Web site, typically located at the root of the site. The robots.txt file defines the restrictions that the crawler has when crawling the site, which parts of the crawler can crawl and which cannot be crawled (anti-gentleman)More robots.txt protocol Information reference: www.robotstxt.orgBefore crawling a Web site, check the robots.txt file to minimize the possibility of spiders being bannedTh

search robot determines the access range based on the content in the file. If the file does not exist, the search robot crawls the link. In addition, robots.txt must be placed in the root directory of a site, and all file names must be in lowercase. The compilation of Robots.txt is very simple. I will not repeat it here because there is a lot of information on the Internet. Only a few common examples are provided. (1) Prohibit all search engines from accessing any part of the website. User-agen

engine and website information may vary from hours to days. Robots.txt use wildcardsIn the standard robots.txt syntax, only wildcards can be used in the User-Agent item, that is, "*" is used to represent the robots of all search engines. In the disallow item, the robots.txt cannot be configured flexibly. Google lists extended support for using wildcards in robots.txt -- it is not certain whether it is t

CR, CR/NL, or NL as The Terminator ), the format of each record is as follows :" : ". In this file, you can use # for annotation. the usage is the same as that in UNIX. The record in this file usually starts with one or more User-agent lines, followed by several Disallow and Allow lines. The details are as follows: User-agent: the value of this item is used to describe the name of the search engine robot. In the "robots.txt" fi

separated by empty rows (with CR, CR/NL, orNL as The Terminator ), the format of each record is as follows: " In this file, you can use # for annotation. the usage is the same as that in UNIX. The record in this file usually starts with one or more User-agent lines, followed by several Disallow and Allow lines. The details are as follows: Disallow: The value of this item is used to describe a group of

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 crawling rules and search engine spider crawling rules. You can use robots.txtto create a robots.txt file in the website content. The following describes some examples of robots.txt and then sets the rules based on the website conditions. Some rules are

search for example User-agent:360spider Disallow:/ user-agent:* Disallow: The first two lines mean not to allow 360 synthetic search spiders to crawl any page, followed by an explanation see 1th. Similarly, if in addition to shielding 360 comprehensive search also want to block Baidu Spider, then continue to add at the beginning. 3, do not allow search engines to crawl some of these pages, this side

urllib.requestif __name__ = = ' __main__ ': print (' main Thread Run: ', __name__) responsedata = Urllib.request.urlopen (' http://www.baidu.com/robots.txt ') strdata = Responsedata.read () strshow = Strdata.decode (' utf-8 ') if (false): print (Responsedata.geturl ()) if (false): print ( Responsedata.info ()) else: print (responsedata.__sizeof__ ()) print (strshow) Responsedata.close () print (' \nmain Thread Exit: ', __name__)//Note the a

How can I read the downloaded content: package com.core.crawl;import java.io.IOException;import com.util.file.Files;public class Crawl { /** * @param args * @throws IOException * @throws InterruptedException */ public static void main(String[] args) throws IOException, InterruptedException {long begin = System.currentTimeMillis();//WebSpider spider2 = new WebSpider();WebSpider spider1 = new WebSpider();spider1.setWebAddress("http://www.w3c.org/robots.txt");spider1.setDest

Engaged in SEO optimization staff must understand Robots.txt, this is a qualified seoer must understand the knowledge. So what exactly does a robots need to know? First of all, as a qualified SEO staff, must understand that Robots.txt is a protocol, not a command. Robots.txt is the first file to see when a search engine visits a Web site. robots.txt file tells the spider program on the server what files can be viewed, and what files are not allowed t

In fact, a lot of people have just started to engage in Web site construction work , do not know what is robots.txt, even if you know what the robots.txt file format is, Today, I would like to share with you, this article from the e-mentor network .The "robots.txt" file contains one or more records that are separated by a blank line (with cr,cr/nl, or NL as The Terminator), and the format of each record is as follows:"You can use # for annotations in this file, using the same methods as in UNIX

tag. In this way, users can still perform AJAX operations without refreshing the page, but search engines will ingest the main content of each page! How to let Baidu search engine crawl My site content? If you are new site, Baidu included is relatively slow. In addition you can go to some other sites to do promotion, in "about two incomes" do a chain link, linked address directly point to your website, that is, the problem of backlinks!And then it's waiting ...Google is generally included in t

First, console methods and properties let's introduce the main purposes of each method. In general, the method we use to enter information is mainly used in the following four 1, Console.log for output general Information 2, Console.info for the output of informational information 3, Console.error for output error message 4, Console.warn for output warning information 5, console.debug for output debug information Two, robots.txt file should be placed in the root directory of the Web site. Obots.

disallow/allow prefix matches. Prefix matching usually works well, but in several cases it is not strong enough to be expressive. If you wish to use no path prefixes, you are not allowed to crawl some special subdirectories, that robots.txt is powerless. Each path in the subdirectory must be enumerated separately. other knowledge about robots.txt. The robot does not recognize the field is ignored, the middle can not be broken,

of the message into a message queue and waits for the control thread to process it.Avoid Web server "angry"Why is the Web server "angry"? The network server can not withstand the frequent and fast crawler access, if the performance of the network server is not very strong, it will spend all the time to deal with the web crawler requests, and not to deal with real user requests, so it may be considered as a Dos attack, thereby prohibiting the IP of the crawler, so should avoid the network server

executed after all commands in the. WGETRC, and therefore overwrite the same configuration items in the. Wgetrc. here Robots=off is because wget by default will be based on the robots.txt of the site to operate, if Robots.txt is user-agent: * Disallow :/ , wget is not able to mirror or download the directory. That's why you can't download pictures and other resources in the first place, because the h

number. If this URL is disabled, 0 is output; otherwise, 1 is output. The second column is the URL itself. Input example 2 User-Agent :* Disallow:/tmp/ 2 Http://www.example.com/index.html Http://www.example.com/tmp/somepage.html Output example 1 http://www.example.com/index.html Http://www.example.com/tmp/somepage.html 0 Scoring Method This question contains 20 groups of data, all meeting 0 This question is ea