remove yahoo as search engine

Keyword selection determines the success or failure of the search engine optimization project. It can be difficult to select the correct keywords, because in order to benefit as much as possible from Seo, you need to find a balance between popularity, relevance and competition. It seems natural to choose a keyword from a popular industry for a long time, but if thousands of other websites have also chosen

thinking, the understanding of its sentence segmentation technology. By the integration of stored words and sentences, the word segmentation is understood. The basic idea is to make syntactic and semantic analysis at the same time, and use syntactic information and semantic information to deal with ambiguity phenomenon. It usually consists of three parts: the segmentation subsystem, the syntactic system, the general control part. Under the coordination of the general control part, the segmentat

1. Overview of crawler principles and key technologies Web Crawlers automatically extract web pages.ProgramIt is an important component of a search engine. A traditional crawler obtains the URLs on an initial webpage from the URLs of one or more initial webpages, and continuously extracts new URLs from the current webpage and puts them in the queue, until the system is stopped. The workflow for focusing on

Many people are now living on the internet, and online search data is a daily must do homework. Our most popular search engine is generally Google, Baidu these mainstream. But if you want to search for a certain type, such as a specific file, report, and so on to use the alternative

internal links. The number of links to the primary domain name, the number of internal bonding, and the number of external links. The sum of the three, you can determine the total link to a website. External links also include high-quality external chains and low quality chains. High-quality external links can be properly reduced, but also have very good results. If it is a low quality link, then must use the quantity to win, this is the Search

relationship. Users remember us, not search engines will also visit our site. 　　 At present, Baidu, Sogou, search, Google, Youdao, Yahoo, 360 and so on search engines are the warlords and up, as a webmaster, we are thinking of their own site on their platform for better exposure. However, everyone thought

register regularly unless something is wrong ——— because too many search engines will punish those who register frequently. 　　 Question 2:I heard that many search engines do not accept free sites, but also need to have a separate domain name, is this true? First, not all search engines reject free sites, but they do. Most engines record the IP address of each

Baidu Free Login Entrance http://www.baidu.com/search/url_submit.htm Sina Free Login Entrance http://bizsite.sina.com.cn/newbizsite/docc/index-2jifu-09.htm Sohu Free Login Entrance http://db.sohu.com/regurl/regform.asp?Step=REGFORMclass= Skynet Free Login Entry http://bingle.pku.edu.cn/submit.htm Yahoo Free login Entrance http://cn.yahoo.com/docs/info/suggest.html Google Free Login Entry http://www.google.c

PHP/** * to determine if search engine spider * * @access public * @return String*/functionIs_spider ($record=true){ Static $spider=NULL; if($spider!==NULL) { return $spider; } if(Empty($_server[' Http_user_agent '])) { $spider= ' '; return‘‘; } $searchengine _bot=Array( ' Googlebot ', ' mediapartners-google ', ' baiduspider+ ', ' msnbot ', ' yodaobot ', '

This article describes how to record the website footprint of a search engine spider in PHP. The example shows how to record the Web footprint of a search engine spider in php, database creation and php recording of various common search

kind of article is most suitable for search engine optimization, take the article words, how many words of the article more suitable for website optimization? Many stationmaster write original two hundred or three hundred words, reprint article two hundred or three hundred words, so practice useful? The author thinks: Reprint article, produce benefit the website weight optimization effect, Words should be

After you have completed a new website, the first step to launch the website is to submit your website to various search engines and make your website fast.. The portal for submitting a search engine website is to submit the homepage of the website to the search engine and t

PhpIIS log analysis search engine crawler record page 12th. Note: modify the absolute path of iis logs in the iis. php file, for example, $ folder "c: windowssystem32logfiles site log Directory". remember to include a slash (). (Use virtual note: Modify the absolute path of iis logs in the iis. php file For example, $ folder = "c:/windows/system32/logfiles/site log directory/"; // Remember to include a slas

, sometimes we hope that the Site list page is not indexed by search engines but also want search engine crawl, then you can through Tell the crawler, Other common and NOARCHIVE,NOSNIPPET,NOODP and so on. 3, through the rel= "nofollow" and reptile Dialogue: About Rel= "nofollow" recently state Ping wrote an article "How to use good nofollow" is well worth rea

discuss with you! One: The first is participle, this is the search engine to do the work, because we enter the word in the search box is sometimes a phrase, sometimes is a complete sentence, rarely use the phrase to direct search, so the search

site. * Link spam This problem is now seoer used by one of the commonly used means, the use of automatic mass blog, BBS, etc., so that can quickly obtain a large number of links, such practices are generally considered to be efficient and practical, that the search engine has no way to confirm the link is valid, but need to understand In China to do SEO, faced with the human intervention of Baidu,

1. Major search engine logon portals in China Http://www.google.com/intl/zh-CN/add_url.html Google website login Http://www.baidu.com/search/url_submit.html Baidu website login Http://search.help.cn.yahoo.com/h4_4.html Yahoo website login Http://db.sohu.com/regurl/regform.asp sogou non-commercial Login Http://ads.zhong

Php checks whether a visitor is a search engine spider's function code. For more information, see. /*** Determine whether it is a search engine spider ** @ author Eddy * @ return bool */function isCrawler () {$ agent = strtolower ($ _ SERVER ['http _ USER_AGENT ']); if (! Empty ($ agent) {$ spiderSite = array ("Tencent

% of China's market share, it would be $1.4 billion. However, Google can not get a penny."The biggest beneficiary of Google's exit from China is Baidu, because the number of Internet users in China is huge and growing," emarketer said in his report. : "The inability to enter China has had an increasing impact on American companies such as Facebook, and will only be more pronounced later.650) this.width=650; "alt=" How much did Google lose in its exit from China? "src=" Http://www.daxueit.com/upl

the above several stages, should be at the stage of high speed development. They have professional staff, professional companies (and is very large) engaged in Web site optimization, search engine optimization and so on. is in absolute advantage in every way. I don't know when, on the Internet, people are getting used to searching for what they need. It may be when Yah