This paper first introduces the background knowledge of Nutch, including Nutch architecture, crawler and searcher. Then, to develop a practical application based on Nutch, show readers how to use Nutch to develop their own search engine. In this example, the reader is first led to develop a target site that is crawled as a nutch crawler, and the target site will be deployed on a server with a domain name of
In the network company has done program development friends know, we usually use the database search technology is the user input vocabulary, and the database in one or more fields in the comparison, the same, the search engine operating principle is simply this:
User input A word, search
China's search engine market is constantly changing, every year will be accompanied by a number of major algorithm update adjustment, and each time there are some sites by the search engine ruthless down the right. Last year is also Baidu update the most frequent one year, however, the main purpose of Baidu adjusted up
Website optimization Development These years, I do not know how many people in the research, search engine algorithm, research its loopholes, the purpose of only one to it, so that their site's keyword ranking fly up. As long as we want to study the search engine, then it's some basic principles, we must master, this a
At this stage netizens use the most is the search engine, for myself, the number of open Baidu every day is not less than 50 times, Google's number of times not less than 10 times (this also fits the habits of the people, Baidu's market share reached 76.8%, and Google since the withdrawal of the mainland, its market share sharply down to today's 10% I have reason to believe that there is a very big part of
about how to improve the website traffic, build the core competitiveness of the website. In the previous two sections of the article we initially explained the selection and reorganization of keywords, as well as further analysis of the importance of Web pages and the wording of the detailed discussion. This chapter concludes with a synthesis of the first two sections: analysis of the factors that affect the ranking of the site, and how to improve the core of the site rankings.
First: Content a
In the first half of this year, Baidu published the "Baidu Search engine Web page quality white paper", the official reasons for the release is "the launch of the Web quality white paper", the purpose is to open Baidu in the quality of the Web site to judge the standard, to provide reference to the webmaster, hope to have more, higher quality content, to meet the needs At the same time for the owners to bri
Some time ago to attend a small gathering of the SEO circle in Wuhan, chat hi leather, together with a few Baidu engineers, the specific analysis of the next Baidu original recognition algorithm, in the technical aspects of some details, feel quite interesting, write to everyone together under the communication, to shoot a short sesame brick.
Why do search engines pay so much attention to originality?
In the early
result is this, enter a keyword, there is a result, exactly what I want. The worst result is this: Enter a keyword, the result is related, but it is not what I want, or I find the results I want from a lot of results, need to pay no small transaction costs. Of course there are worse results than this, that is, you choose the search results are fraudulent, this is the former Baidu false advertising, this matter does not mention. In order to get the re
Code for php to determine the path of a search engine and then jump
/**
* Determine whether the search engine redirects to a webpage
* Edit: bbs.it-home.org
*/
$ Flag = false;
$ Tmp = $ _ SERVER ['http _ USER_AGENT '];
If (strpos ($ tmp, 'googlebot ')! = Fa
In 2011, the search engine adjustment can be described as mutation, Baidu, Google and other search engines on the one hand to consider the site's user experience, on the one hand to combat the station group and so on, how to achieve balance, Baidu is also very helpless, so we are unlucky, now 2011 is about to pass, will attract Chen Yurong to guess the next 201,2
K.K in the documentary "Google and the World Brain," he asked Larry Page in the early days of Google start-up, now has a good performance search engine, why do one? ' Instead of developing a new search engine, we're going to do artificial intelligence, ' Larry page explains.
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,
We all know that in the search engine optimization work, outside the chain is one of the most easy to control and operation of a factor, but also search engine rankings, one of the largest factor, so want to get a good ranking we will go to each site to do outside the chain, similar to canvassing, then in the chain num
When it comes to web search engines, many people will think of Yahoo. Indeed, Yahoo has created an internet search era. However, Yahoo's current technology for searching the web is not the company's original development. In August 2000, Yahoo adopted the technology of Google, a company created by students at Stanford University. The reason is simple: Google's search
Water June SEO think that the most annoying on the network is not through the search engine can not find content, the most annoying should be the search engine to provide a lot of spam information, and these rubbish information officially seoer to do up. If these affect the user experience, then if it is me, I will let
A few days ago Baidu big Update, many sites included and the chain multiplied. But last night someone in the group chat said outside the chain, asked me how this is going on, this just rose out of the chain, how can so quickly and down? Really puzzling ah, I asked him your site keyword ranking has not dropped it? He said that there is no, since there is no impact, the chain down there is nothing to be surprised. But they simply do not trust, ask me this specific is how the matter? At that time I
With the recent search engine constantly changing the algorithm, the new station is facing more and more problems. One of the most obvious phenomenon is that Baidu's attitude towards the new station, as long as we are slightly inattentive will fall into the endless audit. So when this happens, how can we spend it correctly and quickly?
said the solution before the first one of their own case, the a
Crystallization of technology and Humanities
-- Search Engine Technology
■Recreation
In the face of the vast ocean of information, people are often at a loss. The emergence of the Internet search engine seems like a boat, carrying us freely traveling in the ocean. Sear
Many webmaster found their site in operation several months later, included often are not on the. When you reach 5000 or 1W, the collection will not go up. Sometimes the site will be included in the new page every day, but the total amount is not go. To meet such a search engine to include bottlenecks, I would like to share some ideas and experience.
To enhance the collection of
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