duckduckgo deep web search engine

The Web Crawler architecture is a typical distributed offline batch processing architecture on top of nutch + hadoop. It has excellent throughput and capture performance and provides a large number of configuration customization options. Because web crawlers only capture network resources, a distributed search engine i

the user heart demand or the question, will relate directly to the search engine to the website Trust degree, is called the weight. Often reproduced or collected some large web site information, content repetition rate is too high, the content of the site for users is not much readability and practicality, which also led to the reduction of the weight of the sit

Abstract: High-Performance Network robots are the core of the new generation of Web intelligent search engines. Whether they are efficient directly affects the performance of search engines. The key technologies and algorithms involved in the development of high-performance network robots are analyzed in detail. Finally, the key program classes are given to help

Part III: Search engine friendly web design and production The general web design is done by the Web designer. Designers design sites are often only from the perspective of aesthetics, creativity and ease of use, which is expected to get a good

Many of the recent SEO gu su blog friends are reflected that the article has repeatedly mentioned the Web site structure of the word, in the SEO optimization and user experience needs a reasonable structure to support the site, but may not have a dedicated space to the Web site structure to elaborate, so we are not very understanding. Today, we should write an article on the reflection of our friends. Share

The position of search engine in information world is to fill the information fault of people and information world, and the big search service technology oriented to ubiquitous network is to combine people, things and information organically to provide users with intelligent service and solution. Internet search

the site is the culprit to be punished. Response measures: Whether it is out of the chain or update the content of the site, must master the law and frequency, arrange the daily optimization work and perseverance, SEO work remember the whim of the work mentality. Second: The stability of the Web site is one of the most important factors in the ranking of the site, if the site often can not directly open the site, there is no so-called user experien

Shell Script Just do it, simply write a Shell script and it's done! Script Name: Web site dead chain generation script Script function: Daily analysis of the site the day before the Nginx log, and then extract the status code of 404 and UA for Baidu Spider Crawl path, and write to the site root directory death.txt file, used to submit Baidu dead chain. Scripting code: #!/bin/bash #Desc: Death Chain File Script #Author: Zhangge #Blog: http://yo

Shell Script Just do it, simply write a Shell script and it's done! Script Name: Web site dead chain generation script Script function: Daily analysis of the site the day before the Nginx log, and then extract the status code of 404 and UA for Baidu Spider Crawl path, and write to the site root directory death.txt file, used to submit Baidu dead chain.Scripting code: #!/bin/bash#Desc: Death Chain File Script#Author: Zhangge#Blog: http://your dom

Google is fast and easy to use and is the largest search engine on the World Wide Web, enabling users to access an index that contains more than 8 billion URLs. Google has consistently innovated its search capabilities and maintained its leading position in the search field.

IIS default log files in C:\WINDOWS\system32\LogFiles, the following is the seoer edge of the server log, through the view, you can understand the search engine spider crawling through, such as: 2008-08-19 00:09:12 w3svc962713505 203.171.226.111 get/index.html-80-61.135.168.39 baiduspider+ (+http://www.baidu.com/search/spider.htm) 200 0 64 1, 203.171.226.111 is