一個網站站內的優秀是進行seo的必要前提，當然我們還要考慮UEO。今天帶來的主要是站外的優化方案，包括外鏈，交換鏈接，鏈輪等細節。
A website in the station's good for SEO is the necessary premise, of course, we need to consider the UEO. Today is the main station, bring the optimal solutions, including the chain, and exchange links, chain wheel, and other details.
一：友情鏈接(links)
友情鏈接的交換應該注重對方網站制作的收錄數量，快照，PR值，是否同服務器，同IP和站長人品等。友情鏈接的交換最好尋找同類型的網站，交換不可大起大落。
Link exchange should pay attention to the other party web site collected quantity, snapshots, the PR value, whether with the servers, with IP and webmasters character, etc. Link exchange of best searching the same type of website, exchange not falling.
注意事項：平時要經常檢查網站的友情鏈接，看對方的網站是不是訪問正常（運行速度，收錄，快照，是否降權等），檢查對方是不是對我們網站的鏈接添加nofollow等欺騙手段。至于具體如何交換友情鏈接，可以看看之前關于友情鏈接方面的文章。
Note: always check the website usually to link, look at each other's web site visit is normal (speed, included, snapshot, and whether the right down), check each other about our website links is add nofollow and deception. As for specific how to exchange links, can see on links before the article.
購買鏈接：網站初期因為網站自身的不足往往不能交換到優質的鏈接，可以考慮購買鏈接。
Links to purchase: because web site early deficiencies often can't switch to high quality links, we can consider buying a link.
二：外鏈操作(Chain operation outside)
教育論壇：教育論壇不應該僅僅局限在論壇簽名上，可以花時間養賬號來發主題帖或者投稿。前期需要收集資源和培養與版主的關系，能錨文本最好。
Education BBS: education BBS should not be limited in the BBS signature, can take time to keep account to send the subject placard or contribute. The need to collect resources and training and moderator relations, can the anchor text is the best.
教育門戶：投稿（免費或者付費）
Education portal: contribute (free or pay)
各大門戶：門戶網站不僅僅是高權重，更是高流量，比如可以在其教育板塊投稿。
Each big portal: gateway website is not only high weight, but also high flow, such as in the education sector can contribute.
問答平臺：問答平臺做外鏈效果是很好的，像天涯問答，你發一條頂四五條。如果做百度知道的話則需要小心，一日四五條即可。問答平臺還有另外一個很好的效果，就是口碑營銷。
Inquiry platform: inquiry platform outside doing chain effect is very good, like the question and answer, you send a top SiWuTiao. If do know it requires careful baidu, one day SiWuTiao can. Inquiry platform there is another good effect, is "word-of-mouth marketing.
自建博客：可以是自己建立的博客，也可以使用免費博客平臺。
From the blog: can be established itself blog, also can use free blogging platform.
分類信息：分類信息網站的權重是相當高的，無論是外鏈效果還是推廣效果都是很好的。
Classified information: classification of information website weight is quite high, whether the chain effect or promotion effect is very good.
視頻網站：和分類信息網站一樣高權重，作用也是有很好的外鏈效果和推廣效果。
Video website: and classification of information websites high weight, the function is also have very good outside chain effect and promotion effect.
分析對手：分析對手的外鏈布局可以得到無窮的外鏈資源
Analysis: analysis of the chain layout can get the endless chain resources
外鏈資源需要挖掘和培養
The chain resources and training to mining
三：外鏈策略(Outside chain strategy)
做SEO的站長朋友們應該外鏈注重的是質量而非數量，所以應該把工作的重心放在提高外鏈質量上。外鏈還需要穩定，不可大起大落，也不可群發。發布外鏈之后兩到三天應該查詢其效果，以便于以后的調整。在使用常規外鏈手法的同時也可以使用其他特殊手法（非黑帽手法），比如鏈輪。鏈輪可以自建博客或者使用免費（效果差），鏈輪如下圖（最簡單的鏈輪）：
Do the webmaster friends SEO should notice is the chain quality rather than quantity, so the work should focus on improving the quality of the chain. The chain also need stability, not falling, nor indiscriminately. The chain released after two to three days the effect should be inquires, so that after the adjustment. In the chain of conventional technique could also use other special effects (the black hat technique), such as the sprocket. The sprocket can build blogs or use free (poor effect), sprockets below (the most simple sprocket) :
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