Compile reliable multi-threaded spider programs
Thursday, 24. August 2006, 05:52:14
Technology[This topic is used for discussion with friends in the QQ group [17371752] "search engine, data, and spider 〕
1. What does the Spider Program look like?
Spider programs are one of the most critical background programs in sear
Spider is a required module for search engines. The results of spider data directly affect the evaluation indicators of search engines.
The first Spider Program was operated by MIT's Matthew K gray to count the number of hosts on the Internet.
> Spier definition (there are two definitions of spider: broad and narrow ).
Today, I will share with you about the search engine spider. We all know that all the pages on the Internet are crawled by Spider. In fact, spider is a code program. When a new page is generated on the Internet, the spider will crawl. Because the Internet generates hundreds of billions of pages every day, a single
Brief introductionThis article introduces Linux/nginx how to view search engine spider crawler behavior, clear spider crawling situation to do SEO optimization has a lot of help. A friend you need to learn through this articleSummarySEO optimization of the first step of the site is to make spider crawlers often come to your site to patronize, the following Linux
Current platform: centos5.8, x86_64
1. Download Address: http://spiderformysql.com/index.html,
Currently downloaded filename: mysql-5.5.34-spider-3.2-vp-1.1-hs-1.2-q4m-0.95.tgz (source installation)
2. Installation of CMake software, if you can directly use Yum install CMake (do not install and system version is not suitable for version to avoid compatibility and compile some errors)
3. After decompression installation
#tar-ZXVF mysql-5.5.34-
Baidu Spider, English name is "Baiduspider", is a Baidu search engine of an automatic program. Its role is to access the Internet's HTML Web page, set up an index database, so that users can search the Baidu search engine Web site.
Search engine inside there is a Web site index library, so search engine spiders from the search engine server, follow the search engine has a Web site crawling a webpage, and will crawl back to the content of the Web page
C # is particularly suitable for constructing spider programs because it has built in HTTP access and multithreading capabilities, and these two capabilities are critical for Spider programs. The following are the key issues to be addressed when constructing a Spider Program:(1) HTML analysis: an HTML Parser is required to analyze every page that a
of this article)Purpose: a public network IP (this example is assumed to be 200.200.200.9), 3 virtual devices share the InternetSystem Environment: VMWare Esxi 5.5Software Environment: Sea Spider soft Route (v6.1.5),VMWare vSphere Client 5.5, operating system mirroringDetailed steps:1. Install and configure VMware EsxiThe hardware environment can use VMware Workstation[1], provided that the PC preferably has more than 8G of memory, if the conditions
How to Set Up A robots.txt to control search engine spiders
Http://www.thesitewizard.com/archive/robotstxt.shtml
By Christopher Heng, thesitewizard.com
When I first started writing my first website, I did not really think That I wowould ever have any reason why I wowould want to create a robots.txt file. after all, did I not want search engine robots to SPIDER and thus index every document in my site? Yet today, all my sites, including thesitewizard
PHP judges whether the visitor is a spider or a common user. Prepare for formal SEO. the black chain code is still used, but it is a little special. of course, test whether it is feasible first. To get a PHP document, record whether the visitor is a spider or is ready to start a regular SEO. the black chain code is still used, but it is a little special. of course, test it first, is it feasible.
You need to
【Abstract]
I am very interested in vertical search, and I am holding more in-depth research with the master in the garden, so I will show you the 1000 hot pictures crawled by the SPIDER (statement: let's see the pictures crawled by the spider software and don't spread them ). Searching for images is only a specific application of vertical search. I don't need to explain it in detail. You also know that the
PS Tutorial Today brings Photoshop to create Spider-Man drilling out of the screen synthetic effects, the visual impact is very strong, students can be divergent thinking to apply to the Community posters and print ads, the course interface of all Chinese.
The effect is very simple, is the screen of Spider-Man drill out of the notebook computer screen, drill out of the part of the screen with the part
published, but after the N-hour Baidu was included, and the other site in Baidu collected before the collection of my and was immediately included in Baidu, so I became not original, yes, the problem is here, included time!
Since Baidu included our web page content speed slow, how to solve it? To allow Baidu the first time included in the Web page, there are generally 2 methods, one is to use ping service, is that you published an article immediately after Ping Baidu to tell it the address of
Server is the basis for the survival of the site, no matter what the cause of the server ban, have a direct impact on the spiders crawl, the impact of the site's user experience, not conducive to the spread of SEO work. Chongqing SEO game will be its own personal experience, combined with some friends on the network analysis of such problems, summed up the server banned three main reasons:
First, the server is not stable
Now the server a dime, the price is also different, quality is far from
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
About the product webmaster How to make better use of Chinaz tools, here I first explain why to use search spider simulation tools, in fact, spider simulation tools have a very large role, but some stationmaster did not study at all. A lot of learning seo new webmaster, for Baidu Spider simulation tools are not very good use. Search
WordPress blog Record seo/seo.html "target=" _blank "> Search engine spider crawl traces plugin:
1, search engine spider crawler Spider tracker plug-in can record Baidu, Google, Yahoo, Bing, sogou, search 6 kinds of search engine spider crawl traces, and generate statistical charts, you can clearly see, nearly 6th of
We do SEO, not just to meet the likes of spiders, more importantly, when users enter our site, they can get what they want, so in the page and the structure of the site layout, we need to take into account the user and spider these 2 groups. Home is the core of the site, this article mainly describes how to carry out the reasonable layout of the home page, so that users and spiders fall in love with our site's homepage. There may be a lot of people th
Photoshop makes Spider-Man dash out Notebook 3D effect chart
The final effect.
This is a notebook material I found on the Internet.
Material packaging micro-disk download
Copy and paste it into Spider-Man.
Free to change its size and angle.
Hide the free change after the completion of Spider-Man. Strokes the p
The effect is very simple, is the screen of Spider-Man drill out of the notebook computer screen, drill out of the part of the screen with the part I do saturation processing, the back of the production process I used is "black and white", in fact, you can use the hue saturation or natural saturation to achieve, the effect is not much different, there are some details of the things , such as the Shadow and the reflection in the notebook need some pati
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