1. Experimental purpose: Understand the role of search engine marketing in the transmission of online marketing information, conduct an in-depth study of the impact of the professionalism of website construction on search engine marketing by analyzing the search engine friendliness of some selected websites , and put forward corresponding improvement suggestions for the problems found. 2. Experiment content: (1) Select a corporate website from alternative websites; (2) Browse the website and confirm the 2-3 most relevant core keywords of the website (such as main product name, industry, etc.); (3) Use each keyword to search in the search engines Google and Baidu to understand the performance of the website in the search results, such as ranking, web page title and summary information content, etc., and record the results of the same keyword search results and those selected The ranking and summary information of other competitors of the enterprise; (4) Analyze the search engine friendliness of the website under investigation based on relevant information. 3. Experimental steps: This experiment takes Mengniu Enterprise www.mengniu.com as an example. And search with GOOGLE and Baidu search engines. Mengniu Dairy Group was established in January 1999 as a Sino-foreign joint venture. Headquartered in Shengle Economic Park, Horinger County, Hohhot City, Inner Mongolia, it has total assets of more than 6 billion yuan, 29,000 employees, and a dairy production capacity of more than 3.3 million tons per year. So far, Mengniu Group has established more than 20 production bases in 15 provinces and municipalities across the country. It has more than 300 product categories in three series: liquid milk, ice cream, and milk products. Its products have been awarded "China Famous Brand" and "China Famous Brand" for their excellent quality. "Well-known Trademark", "National Inspection-Free" and No. 1 in Consumer Satisfaction. The products cover the domestic market and are exported to Mongolia, Southeast Asia, Saipan in the United States, Hong Kong and Macao and other countries and regions. 1. Search on Baidu with "Mengniu" as the keyword, and find about 14,400,000 related web pages. The first one is the Mengniu corporate website. A search using "sour yogurt" as a keyword found about 476,000 related web pages, with Mengniu's corporate website ranking third. The first one is Guangming Sour Yogurt. Searching with "milk" as a keyword found about 32,400,000 related web pages. After searching for more than ten pages, no information about Mengniu was found. Even "dairy", "dairy products", "yoghurt", etc. are all valid information about Mengniu. 2. Search on GOOGLE using "Mengniu" as the keyword, and find about 3,610,000 related web pages, with the Mengniu corporate website ranking first. Searching with "sour yogurt" as a keyword, about 726,000 related web pages were found, with Mengniu's corporate website ranking first. Almost all the information is about Mengniu Sour Yogurt. But there is little information about the product. Searching with "milk" as a keyword found about 4,000,000 related web pages. I also searched for more than ten pages but could not find any effective information about Mengniu. Same goes for "dairy". 3. Analysis: Mengniu’s website is unfriendly to search engines: 1. There are very few core keywords in the web page. 2. It takes a long time to download the page, making visitors impatient to wait. 3. There is copied web content. Not very search engine friendly. 4. There is no web page description and keyword design in the META tag. 5. There are no links to other related websites for comparison, so there should be fewer links provided by other websites that have been indexed by search engines. Analysis on the friendliness of Mengniu website: 1. Reasonable web page title design 2. Reasonable website column structure is conducive to search engine optimization. 3. There are internal connections 4. Recommendation 1. Choose appropriate keywords and use various search methods flexibly. Try to choose specific words, specific concepts or professional terms as keywords, and avoid common words and too general words as conditions, because these words lack practical meaning or usage. Too broad and a search using it will return a lot of useless results. In addition, try to avoid gorgeous and beautiful vocabulary. 5. Conclusion: Search engine optimization is to target the retrieval characteristics of various search engines and make the web design suitable for the retrieval principles of search engines, so as to be included by search engines and ranked high in the rankings. Various behaviors. For example, search engines based on META tag retrieval should set up effective keywords and website descriptions, increase the density of keywords, or design a page specifically for search engines to facilitate retrieval. A search engine-friendly website facilitates search engines to retrieve information, and the returned retrieved information makes it look attractive to users, in order to achieve the purpose of search engine marketing. Finally achieve website promotion.