胡佳梅总结——seo要点（Hu Jiamei summed up - SEO points）.doc

胡佳梅总结——seo要点（Hu Jiamei summed up - SEO points） 1, SEO is a game process with search engines. Optimization: in the station (the site itself adjustment, such as structure, code, etc.) and outside of the station (external links). 2, SEO: search traffic quality is high, cost-effective, scalable, long-term effective, improve site ease of use, improve user experience. 3, search engines and directories of the difference: search engines include pages higher than the number of pages included in the directory. But search engine page quality is bad, update fast. Directories are usually included in the home page, with limited size and high quality. 4, the search engine faces challenges: page grab fast, comprehensive; data storage large; index processing fast and effective, scalable; query processing fast and accurate; to determine user intent and artificial intelligence! 5, the main body of the page: advertising and natural search results. There are 8 ads on the right and more than 3 advertisements on the top. 6, search advertising - PPC 7, classic search results list: Baidu (the first line of page title, second lines and third lines of page description, the fourth line shows three information, the middle is updated date) 8, search engine work in three stages: crawling (convinced priority and breadth first) and crawl (spider), pretreatment (index program), ranking. 9, attract spiders factors: website and page weight, page update, import links, and home Click distance. 10, export links is also one of the factors that search engine rankings. 11, HITS -- hyperlink induced topic search. Access to quality links. Disadvantages: sacrifice query ranking at the expense of response time. 12, TrustRank algorithm -- ranking algorithm based on link relation (trust index). Role: detect spam sites. 13, PR - PageRank, the more chains, the better! The higher the PR. 14, the importance of PR: site depth and total number of pages, update frequency, duplicate content judgment, ranking initial subs