spider duo

Absrtact: This article discusses how to use c#2.0 to implement web spiders that crawl network resources. Using this program, you can scan the entire Internet web site via a portal URL, such as http://www.comprg.com.cn, and download the network resources that are pointed to by these scanned URLs to local. Then, other analysis tools can be used to further analyze these network resources, such as extraction of keywords, classification index and so on. You can also use these network resources as a d

Shell version Nginx log spider crawl View script Change the path of the Nginx log before usingIf more spiders themselves in the code Spider UA array Riga can #!/bin/bash m= "$ (date +%m)" Case $m in "") m= ' before ';; ") m= ' Feb ';; ") m= ' Mar ';; " ") m= ' Apr ';; (") m= ' may ';; " (a) m= ' June ';; " ") m= ' July ';; " ") m= ' Aug ';; " ") m= ' Sept ';; " ") m= ' Oct ';;

Deep experience, know how to let Baidu spider to crawl information! Little woman original (help a beauty hair) She is doing a Wuhan cleaning company--Wuhan Purple property site optimization, the current key words: Wuhan cleaning, Wuhan cleanliness Company, Wuhan clean. Wuhan external wall cleaning and other keywords are ranked very well, moonlight chat people also admire her, she has just written the soft text--sharing how to know let Baidu

1, recommended a method: PHP Judge search engine Spider crawler or human access code, from Discuz x3.2 The actual application can be judged in this way, directly not the search engine to perform the operation 2. The second method: Using PHP to implement Spider access log statistics $useragent = Addslashes (Strtolower ($_server[' http_user_agent ')); if (Strpos ($useragent, ' Googlebot ')!== false) {$bot

In the circle there is a joke is that webmaster every morning to get up first thing is what? The answer is to check Baidu included, look at the snapshot time, look at the rankings! Although some exaggerated, but also very vividly illustrates the site webmaster in Baidu Search optimization in the situation of the degree of attention. Among these elements, the site snapshots, rankings, included in the number together constitute a site optimization effect, reflecting the site in search engines occu

Non-malicious spider trap is a site of a hidden danger, belong to the slow heat of the symptoms, perhaps the first search engine will not punish it, but a long time to trap spider traps on the site is very bad. We all know that disease to enter the hospital, but often a lot of symptoms at first do not pay attention to finally found that the terminal is terminally ill, at that time the pain of physical and

In the article "Making crawler/spider programs (C # Language)", we have introduced the basic implementation methods of crawler programs. We can say that crawler functions have been implemented. However, the download speed may be slow due to an efficiency problem. This is caused by two reasons: 1. Analysis and download cannot be performed simultaneously. In "Making crawler/spider programs (C # Language)", we