即搜索引擎優化是指在了解搜索引擎自然排名機制的基礎上，對網站進行內部及外部的調整優化，改進網站在搜索引擎中關鍵詞的自然排名，獲得更多流量，吸引更多目標客戶，從而達到網絡營銷及品牌建設的目標。 1) SEO, search engine optimization (SEO) refers to the understanding of the mechanism of natural search engine rankings, based on the site for the adjustment of the internal and external optimization, improvement of site keywords natural rankings in search engines, get more traffic, attract more target customers, to achieve the objectives of the network marketing and brand building. 2）keyword，又叫關鍵詞，是一個網站管理者給網站某個頁面設定的以便用戶通過搜索引擎能搜到本網頁的詞匯，它決定了用戶搜什么關鍵詞能夠找到你的官網。網站的首頁關鍵詞至關重要，代表了網站主題內容。內頁和欄目頁的關鍵詞一般緊扣頁面主題，代表的是當前頁面或者欄目內容的主體。 2) keyword, also known as keywords, it is a website manager for a page to set your site through search engines so that users can search to the vocabulary of this website, it can decide what the user search keywords to find your website. The site's homepage keywords are critical and represent the content of the site. The keywords in the pages and pages of the page are usually tied to the theme of the page, which represents the subject of the current page or column. 3）title，這是HTML語言制作網頁的時候用來設置頁面標題的，在搜索結果頁面中最顯眼的那句話，它得能夠清晰的表達出產品服務和特點。 3) the title, this is HTML web pages when used to set the page title, the most visible in the search results page of that sentence, it can clearly express the products and services and features.