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Robots.txt and Robots META tagsPing Wensheng 2003-10-29As we know, search engines all have their own "search ROBOTS" and use these ROBOTS to link on the web page over the network (generally http and src links) constantly crawl data to build your own database.For website administrators and content providers, there are sometimes some website content that they do not want to be crawled by ROBOTS. To solve this problem, The ROBOTS development community provides two methods: robots.txt and

Abstract: The competition for search engines in China has reached a fierce level. In addition to Baidu, Google, Sogou, and Yahoo have not yet formed a stable position. In the past 2006, the search engine industry was sometimes the most chaotic year. Yahoo is struggling to cope with the troubles and personnel shocks caused by rogue software; Baidu temporarily ignores others due to revenue pressure; Google strives to develop channels with Chinese charac

Search engines are the preferred way for consumers and researchers to find information online today. Especially when the search engine can generate benefits online, we are more aware of its importance, now, if your company or product is planning to promote, let's take a look at these options. Simply put, search engine marketing can be summed up to two kinds, that is, Pay-per-click (PPC) and search

Copy the Code code as follows: /*Search Google "Shenzhen photography studio", Lan Horizon LANSJ ranking position; 2009-10-11Lost63.com OriginalSearch in the first 30 pages*/$page = 30; Number of pages$domain = "lansj.com"; Domain name$domain = "lost63.com";for ($n =0; $n $url = ' http://www.google.cn/search?hl=zh-CNnewwindow=1q=%E6%B7%B1%E5%9C%B3%E6%91%84%E5%BD%B1%E5%B7%A5 %e4%bd%9c%e5%ae%a4start= '. $n. ' 0sa=n ';$url = ' http://www.google.cn/search?hl=zh-CNlr=newwindow=1q=%E8%BF%B7%E5%A4%

functionality, they have different priorities. "" takes precedence over "| |", "" and "| |" Also takes precedence over ",". However, it is recommended that the "," delimiter be preferred, as it is more conducive to reading comprehension and engine optimization operations. At the same time, the comma delimiter cannot be mixed with other operators, such as:// Compile Error // Use this method instead of Person ((Age > weight >) | | height > 2)View Code

In the early days of Internet development, the site is relatively small, information lookup is easier. However, with the explosive development of the Internet, ordinary network users want to find the necessary information is like a needle in a haystack, then to meet the needs of the public information retrieval of professional search site has emerged. The ancestor of the search engine in the modern sense was the Archie invented by Alan Emtage, a unive

In most cases, logging on to a search engine is not the only way to advertise and promote your site. To achieve real success, you need to use a lot of other techniques and methods. However, when you properly log on to the search engine, you can also bring a lot of traffic to your site, and you hardly need to spend anything. Of course, proper login will also take up a certain amount of time and effort, but t

MyISAM and InnoDB are the two main engines of the MySQL database, MyISAM is the default engine prior to the MYSQL5.5 version, and InnoDB is the MySQL 5.5 version of the default engine.The differences between the two engines are as follows: Transaction processing InnoDB supports transaction processing features, A transaction has the following 4 properties, often referred to simply as the acid property of a transaction. Atomicity (atomic

Tags: address tor data buffered using cached browser protocol-a select query from the client to the SQL Server, the first place to arrive is the SQL Server network interface, which is a network connection between the client and the Server protocol layer (SNI), contains a series of connection to the database engine and SQL Server Native Client (SNAC) APIs. SNI replaces the existing network libraries and MDAC (Microsoft Data Access components) in SQL Se

PowerDesigner modifies the Table or DataBase ENGINE (storage ENGINE) Type of the MySQL DataBase. 1. Modify the ENGINE (storage ENGINE) Type of a single table (1) select one of the created PowerDesigner tables. The premise is that this table has been selected as a database of Mysql5.0. (2) Right-click the "--" attrib

MVC 3 allows you to create your own view engine without using the built-in razor view or apsx view. The following describes how to create a custom view engine. First, view engine inherits from the iviewengine interface. The iviewengine interface is defined as follows: 1 Public Interface Iviewengine { 2 Viewengineresult findview (controllercontext, Strin

1. TraditionalSearch engine Sorting AlgorithmOverview 1. 1 Overview of Search Engine sorting algorithms The search engine query results are sorted by certain rules for users to view. This rule is the search engine sorting algorithm. currently, some common search engine sorti

I realized that this was a breakthrough thing, and went back soon to sum up the idea, in June 96 to apply for this aspect of the United States patent. July 6, 1999, the United States Patent and Trademark Office approved the patent number of 5,920,859, to me as the only inventor of the patent. At about the end of 96, two graduate students at Stanford University's computer department thought of the same solution, and they later created a search engine c

How does a search engine work? I often run into people who don't know how the search engine collects information. They know what a search engine is, and they understand the importance of getting search engine indexing, although some people know something, but when you start talking about things like crawling programs,

Mysql>show engines;+--------------------+---------+----------------------------------------------------------------+-------------- +------+------------+| Engine | Support | Comment | Transactions | XA | savepoints |+--------------------+---------+----------------------------------------------------------------+--- -----------+------+------------+| MyISAM | YES | MyISAM Storage Engine | NO | NO | NO | | Mrg_

Tags: mysql cluster ndb storageOne, NDB Cluster (distributed storage engine) storage Engine Brief IntroductionNDB storage Engine is also called NDB Cluster storage engine, mainly used for MySQL Cluster distributed cluster environment,Cluster is a new feature that MySQL has only begun to provide from version 5.0. This p

Php creates a simple template engine and a php template engine. Php makes a simple template engine. The php template engine PHP template engine is a PHP class library that can be used to separate PHP code from HTML code, make code readability and maintainability explicit. ph

At the end of March, I temporarily ended the work in Beijing, from the original company, mainly to learn the game development of the underlying knowledge and 3D engine related content, and technology transformation, in order to spur their own learning, the future blog update will be more frequent, at this stage is mainly "game engine architecture" Reading Notes series and Unity Learning notes series. "Game

How can I accurately determine whether a request is a request sent by a search engine crawler (SPIDER ?, Search engine Crawler Websites are often visited by various crawlers. Some are search engine crawlers, and some are not. Generally, these crawlers have UserAgent, and we know that UserAgent can be disguised, userAgent is essentially an option setting in the Ht

Simple php template engine technology implementation, php template engine After using smarty and tp, I want to know how the template technology is implemented. So I wrote a simple template class, it is generally to read the template file-> Replace the content of the template file-> Save or static Main analysis of tpl. class. php Assign Method implementation /*** Template assignment operation ** @ param mixe