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First section search engine principle 1. Basic Concepts From the Chinese wiki Wikipedia explanation: (network) search engine refers to the automatic collection of information from the Internet, after a certain collation, to provide users with a system of query.From the English wiki encyclopedia explanation: Web
On the vast Internet, especially on the Web (World Wide Web), there is no search and no internet access. Network worm Friends, do you know the search engine? How do they work? Which search engines do you use? Today I will talk to you about the topic of search engine.I. Class
to various search engines[Or] AltaVista, AOL, Ask Jeeves, Google, Hotbot, MSN, Teoma, Yahoo, alltheweb, Lycos 8. Intercept search)[*] AltaVista, Inktomi, Iwon, Yahoo[?] AOL, Inktomi, Iwon We noticed that the retrieval commands of the same search technology or
competitor's site and is a free tool. Five: Google's new algorithm update More than One-third of the search results of about 35% were affected by the update of Google's new algorithm. This algorithm for the site content of the freshness of the requirements, a more fresh quality content will get a better ranking. VI: Yahoo and Microsoft Search Alliance
IDC Commentary Network (idcps.com) October 10: According to the latest data of market research company NET applications, in September, the global search engine market, the champion Google–global share growth to negative positive, the chain increased by 0.74% last month, Rose to 67.49%. In addition, Yahoo–global and Bing the second runner-up, last month, ranked 22
" Name= "Yeah" value= "Yeah" $#@62; Yeah $#@60;input type= "checkbox" Name= "yahoo" value= "Yahoo" $#@62; Yahoo $#@60;input type= "checkbox" Name= "Sina" value= "Sina" $#@62; Sina $#@60;input type= "checkbox" Name= "Sohu" value= "Sohu" $#@62; Sohu $#@60;input type= "checkbox" Name= "Goyoyo" value= "Goyoyo" $#@62; goyoyo$#@60;/td$#@62; $#@60;/tr$#@62; $#@60;tr$#@6
Want to learn SEO, then we first from the most basic search engine syntax, the following collation Baidu, Yahoo, Google search for the three major high-level grammar and application. Baidu Search Advanced Grammar 1. Limit the search
On the vast Internet, especially on the Web (World Wide Web), the Internet is not accessible without searching. Are you familiar with search engines? How do they work? Which search engines do you use? Today, I will talk to you about the search engine. I. Search
definition of the search engine: Search engine is to refer to a certain strategy, The use of specific computer programs to collect information from the Internet, in the search for information organized and processed, to provide users with retrieval services, the user
Search engines, known as Baidu, Google, Yahoo, Sogou, search engine search engines and other tools. Today's Internet people have been subconsciously in the search engine as a daily acce
'). "\ t ". $ _ SERVER ["REMOTE_ADDR"]. "\ t ". $ bot. "\ t ". 'http ://'. $ _ SERVER ['server _ name']. $ _ SERVER ["REQUEST_URI"]. "\ r \ n"); fclose ($ fp );} Method 3: We can use HTTP_USER_AGENT to determine whether it is a spider. Search engine spider has its own unique logo. The following column takes a part of it. Function is_crawler () {$ userAgent = strtolower ($ _ SERVER ['HTTP _ USER_AGENT ']);
process is called crawling. These new URLs will be stored in the database waiting to be crawled. So tracking web links is the most basic way search engine spiders find new URLs, soReverse LinkBecome one of the most fundamental factors in search engine optimization. No backlinks,
and core ideas.1 development status of search engine technology1.1 Search Engine TechnologyAt present, the Internet Information retrieval technology is the most important search engine technology, the
"Florida Update" in mid-November, but Google still provided major search results for many online sites, including the search portal's boss-Yahoo!. The latest change is that Yahoo and Google have gone their separate ways, instead of using the results provided by Google, but using their own databases. With the loss of s
One trend is to optimize search engines for images. More and more webmasters and merchants will see the shadows of images in the results of regular search engines, but few can really understand the significance of image optimization. For professional search engines, you must be clear about what traditional search engin
This article mainly introduces the PHP search engine keyword, has a certain reference value, now share to everyone, the need for friends can refer to Sometimes we need to know the user through which search engine, by taking a keyword to visit our page, of course, JS can also be implemented, here is the implementation
. Although search engines are reluctant to intervene in search results, they may have to make choices, such as illegal information. It is understood that both Baidu and Google provide users with a set of "appeal" channels: If users find that the search results infringe their copyright, the user can send the relevant proof file to the report mailbox of the
XML sitemaps-I personally think this isWordPressAll blogs are requiredSeo pluginTool. Although Google's XML site map generation tool is used, the XML-sitmap generated by the plug-in can also be read by search engines such as ask, MSN, and Yahoo. For more site map tools, refer:SitemapTools-free site map generation tool and plug-in introduction, Google site map Generation Tool beta Headspace2-this plug-i
! Search engines can help us clear useless information and provide us with search engine results that match the target, accurate and meaningful, so that we can quickly find the desired information. Therefore, the quality of content is a common factor among the three major search en
. Because some of the famous network categories such as DMOZ and Yahoo in its filename also use underline. But in fact, at least in the current Google will be the hyphen "-" and the Space Code "%20" as spaces (that is, the URL of the "%20" Effect and "-"). But Google does not agree with "_" as a separator. For Google,search-engine-optimization.htm=
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