搜索引擎优化 Search Engine optimization 赵卫东博土 复旦大学软件学院 2009-10-23 ebusiness
搜索引擎优化 Search Engine Optimization 赵卫东 博士 复旦大学软件学院 2009 ‐10 ‐23
It is not easy to design a good website? -user perspective search engine -Internet marketing ebusiness
It is not easy to design a good website? ‐user perspective ‐search engine ‐Internet marketing
search engine a web search engine has the following three components 1. Crawler/spider Find content 2. Indexer Make searching fast 3. Search Query Algorithm Interpret user intent Spider 國 SE Web SE rowser SE Search results ebusiness
A web search engine has the following three components... 1. Crawler/spider 2. Indexer 3. Search Query Algorithm Find content Make searching fast Interpret user intent search engine Indexing Web Algorithm Log Index SE Spider Search results Browser SE SE
What is seo? Search engine optimization seo )is the process of improving the volume or quality of traffic to a web site from search engines via natural" search results -Wikipedia, 2009 our site, which is most relevant to a users search query e on Make it easier for search engines to discover the content Chris Moore, 2009 ebusiness
“Search engine optimization (SEO) is the process of improving the volume or quality of traffic to a web site from search engines via "natural" search results.” —Wikipedia, 2009 “Make it easier for search engines to discover the content on our site,which is most relevant to a user’s search query.” —Chris Moore, 2009 What is SEO？
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The improvement of the search engines directly impacts the evolution of seo 993 △we 0o3 Info. com JumpStation oo!Search 1994 2005 MSN Search 1995 AltaVista Ask.com PentEx GoodSearch Magellan SearchMe 2006 Excite SAPO 1996 lAsk. com agile Live Search Chach Hot Bot Guruii.com 1997 2007 Northern G剑 Wikia Search 1998 Blackle.com 2008 Powerset Genieknows Viewzi Vivisimo 2000 Ba VADLO Exalead Perse! Search Duck Duck Go Searchme Bing ebusiness
The improvement of the search engines directly impacts the evolution of SEO
Crawling Indexing Searching YHoo! Google oing Baia百 Guides and hints about the algorithms SEO Rules Measure search Create web page Optimise page Measure impact of share results with SEO Professionals busIness
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Goog dIe Relevance Degree to which the content matches what the user query intention and terms The relevance is higher if the terms appear multiple times and if they show up in the title or other important sections of the page Popularity pageRank) This is a measure of the relative importance of a page Importance of a page is measured by number of, and importance of the pages linking to it ebusiness
Training Relevance • Degree to which the content matches what the user query intention and terms. • The relevance is higher if the terms appear multiple times, and if they show up in the title or other important sections of the page. Popularity ( PageRank) • This is a measure of the relative ‘importance’ of a page • Importance of a page is measured by number of, and importance of the pages linking to it
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Algorithms are a SECRet Domain authority TAHOO! Relevance oing Trust rank Baidu百度 Browse rank Google PageRank ebusiness
Algorithms are a SECRET PageRank Browse Rank Trust Rank Relevance Domain Authority