robots disallow

About the Robots protocolRobots protocol, also known as the Crawler protocol, is a web crawler exclusion standard (Robots exclusion Protocol), used to tell crawlers and search engines which pages can be crawled and which cannot be crawled. Because if we use the crawler crawl information without restrictions, and do not say technically can break through some web site of the crawler, if there is no limit to c

First, is there any way to prevent search engines from crawling websites? The first type: Robots.txt methodThere is a robots.txt in the root directory of the site, you can create a new upload without it.User-agent: *Disallow:/Prohibit all search engines from accessing all parts of the siteUser-agent: *Disallow:/css/Disallow:/admin/Disable all search engines from

? third, dead link detection: A, the home of stationmaster. 　　 B, Xenu dead link analysis tool 　　 C, Google Webmaster tools. D, with the site log to check view Links: Use Notepad to mark the status code very practical, you can very clearly see the situation of your site log, the following is March 15, my Wuhan SEO part of the Web site log: 24143 Chinanet1011izo 1405080000 2012-03-15 01:19:20 d:\iislog\W3SVC\ra120315.ibl 184.22.234.194 27.54.226.206 get http/1.0 404

We were lucky to have participated in the fifth play of the bigtalk organized by Baidu baijia in October 27, with the theme of "reshaping the future of Robots ". The three "Great gods" were well-known and influential in the circle. Wang Haifeng, vice president of Baidu technology, gave a speech titled "Let machines think like people", hodlipson, director of the Institute of creative robotics at Cornell University, forbes called him the "seven best

We were lucky to have participated in the fifth play of the big talk organized by Baidu baijia in October 27, with the theme "reshaping the future of Robots ". The three "Great gods" were well-known and influential in the circle. Wang Haifeng, vice president of Baidu technology, gave a speech titled "Let machines think like people", Hod Lipson, director of the Institute of creative robotics at Cornell University, forbes called him the "seven best

this file usually start with one or more lines of user-agent, followed by several disallow and allow rows, as detailed below. User-agent: The value of the item is used to describe the name of the search engine robot. In the "robots.txt" file, if there are multiple user-agent records stating that more than one robot is subject to the "robots.txt" limit, there must be at least one user-agent record for the file. If the value of the item is set to *,

Silverlight.Experiment: place a Silverlight file (loaded through an object. JS is not judged here) and set a special image of the Silverlight status not installed.Result: The thumbnail shows the image of the Silverlight status not installed. The content in Silverlight is not included.Conclusion: 1) the core of the browser that generates thumbnails is not installed with the Silverlight plug-in. 2) Google crawlers cannot identify the Silverlight xap compressed package. (In fact, it is not difficu

A week ago, I shared an article "Seo diagnosis: finding a website to die through log" and attached two suggestions for improvement. Due to the limitation of objective conditions, the robots shielding method is used at last. First, let's take a look at the spider changes a week later. The total volume of crawlers from the three major spider crawlers decreases sharply, proving that the robots file has taken e

Mac did not find a very suitable tool to download the site page, to do template Web pages,So we find the information, wrote a script, through the wget to download the page, as follows:#! /bin/bashUrl= "$"Path= "$"echo "Download URL: $URL"echo "Download dir: $PATH"/USR/LOCAL/BIN/WGET-E robots=off-w 1-xq-np-pk-e-T 1-p "$PATH" "$URL"echo "Success to download"Note:Robots=off here is because wget by default will be based on the robots.txt of the site to op

Some time ago idle bored on a SEO and Marketing planning blog (personal), upload the source files, robots shut the spider outside the door, has been modified template testing, loading plug-ins and so on, but also casually updated the point article. A friend sent me a screenshot the day before yesterday, and I was shocked to see it! Incredibly is my website Baidu snapshot, I was clearly shielding all spiders, how could there be spiders crawl it! I imme

Baidu search engine algorithm more and more stringent, SEO has a lot of details on the optimization, many times the webmaster error optimization, resulting in the site is not necessary punishment, because the wrong SEO optimization caused by the site is down the right, webmaster should be how to solve the problem in a timely manner, the author summed up a few common solutions. 　　Wrong robots cause the right to be lowered Spiders to the site crawl c

Gufangyuan that as a professional seoer the highest level is a break to reduce the difficulty of search engine optimization, so that you can use the least time to do the most meaningful things, do SEO I have always disagreed with those who do not follow the principles of search engine optimization to optimize the site, There are a lot of sites can be difficult to reduce the right to many levels, but chose to optimize the difficulty, such as: the title does not contain keywords, I do not think th

,perl and Python. If you are uploading files and processing data on the server, you must use this method. Ten, how to refuse some user-agents? You can easily block user-agents, such as scanners, bots, and spammers who misuse your server. # # block Download Agents # if ($http _user_agent ~* lwp::simple| Bbbike|wget) {return 403; } A robot that blocks Soso and Youdao: # # Block Some robots # if ($http _user_agent ~* sosospid

Sometimes our site may still be in the debugging phase, or only to partially inform the user or insider use, may not want to let the search engine crawl our site, the following introduction several blocked search engine crawl:1. Create robots.txt at the root of the Web site to add content:user-agent:* disallow:/ Prohibit a search engine, such as Baidu:User-agent:baiduspider disallow:/The major search engine

Microsoft's Windows azure also supports Linux virtual machine services. Below I use azure's Virtual Machine Service to run an opensuse Virtual Machine to test mono 3.0.2 and test ASP. NET webapi fails. Install system patches and updates:Azureuser @ mono3:/usr/src/local> sudo zypper update Install wgetAzureuser @ mono3:/usr/src/local> sudo zypper install wget Check that the system version is x86_64. Download the corresponding mono 3.0.2 installation package:Azureuser @ mono3:/usr/src/local> sudo

are two types of URLs at the end of the directory with or without the slash "/", which indicates different URLs. "disallow :*. a wildcard such as GIF. Other methods that affect search engine behavior include using robots metadata: This protocol is not a standard, but just a convention. Generally, the search engine will identify this metadata, not index this page, and link the page to the page. XML websit

welcome to add the user):User-agent:baiduspiderDisallow:/User-agent:googlebotDisallow:/User-agent:googlebot-mobileDisallow:/User-agent:googlebot-imagedisallow:/User-agent:mediapartners-googleDisallow:/User-agent:adsbot-googleDisallow:/User-agent:feedfetcher-googleDisallow:/User-agent:yahoo! slurpDisallow:/User-agent:yahoo! slurp ChinaDisallow:/User-agent:yahoo!-adcrawlerDisallow:/User-agent:youdaobotDisallow:/User-agent:sosospiderDisallow:/User-agent:sogou SpiderDisallow:/User-agent:sogou Web S

in the site can not be fully included. For many novice webmaster do not know how to write files, you can use the Baidu Webmaster Tools file function, you can detect the correct writing of your files, or can directly help you generate files, you need to fill out the Shield file path. As in the following example: User-agent: * Disallow:/news/does not allow all search engines to crawl the contents of the news path If the above file is added to a Web

A week ago, the author shared an article, "SEO Diagnosis: Find the Web site through log log knot", and finally attached two suggestions for improvement. Because the objective condition is limited, finally uses the method which the robots shield. First look at the spider changes after a week, the three major spiders total crawl volume sharply reduced, proving that the document began to enter into force. From the number of visits, total stay time and to

title of "recruitment" information, several pictures without the product name and the bottom of the copyright information can hardly find any content 　Four, outside the chain has the question Took over only a cursory check under the Baidu chain, and then carefully checked to find that the original 200 more than the chain is almost all the same as the IP station query links. 　Five, the robots file is forbidden to crawl Connected to FTP, found th