在山东做网站优化，友情链接交换是提升网站权重和流量的常用手段。但换链接不是随便找个网站挂上就行，里面有很多门道。今天咱们就聊聊，在山东做网站优化时，换友情链接到底要注意哪些事。
　　In Shandong, website optimization and friendly link exchange are common methods to increase website weight and traffic. But changing links is not just about finding a website to hang on, there are many tricks inside. Today we will talk about what to pay attention to when changing friendship links when doing website optimization in Shandong.
　　首先，得找对“搭档”。友情链接的本质是资源互补，所以最好选和自己网站内容相关或行业上下游的网站。比如你是做山东旅游攻略的，找当地美食、酒店类的网站就挺合适。如果对方网站八竿子打不着，比如卖机械设备的，那交换了也没啥用，搜索引擎可能都不认这个“友情”。
　　Firstly, we need to find the right 'partner'. The essence of friendship links is complementary resources, so it is best to choose websites that are related to your website content or upstream and downstream in the industry. For example, if you are making travel guides to Shandong, finding local food and hotel websites would be quite suitable. If the other party's website is completely unrelated, such as selling mechanical equipment, then exchanging it is useless, and search engines may not recognize this "friendship".
　　其次，得看对方网站的“底子”。这包括几点：一是看备案信息，有备案的网站相对稳定，不容易突然关门大吉；二是看网站结构，结构清晰、层级浅（最好不超过三层）的网站更受搜索引擎喜欢；三是看内容质量，原创内容多、更新频繁的网站，权重一般更高。
　　Secondly, we need to look at the "foundation" of the other party's website. This includes several points: firstly, looking at the filing information, websites with filing are relatively stable and not easily shut down suddenly; The second is to look at the website structure. Websites with clear structure and shallow hierarchy (preferably no more than three layers) are more favored by search engines; The third factor is the quality of the content. Websites with more original content and frequent updates generally have higher authority.

　　再来说说链接质量。有些网站看着权重高，但导出链接一大堆，像“批发”链接似的，这种要小心。因为导出链接越多，分给你的权重就越少。一般建议，对方网站的导出链接别超过40个。另外，如果对方给你的链接是放在JS代码里或者用iframe框架嵌套的，这种链接对优化没啥帮助，直接拒绝就行。
　　Let's talk about link quality again. Some websites may appear to have high authority, but they export a lot of links, like "wholesale" links, so be careful. Because the more exported links, the less weight will be assigned to you. It is generally recommended that the export links of the other party's website do not exceed 40. In addition, if the link given to you by the other party is placed in JS code or nested with an iframe framework, this type of link is not helpful for optimization, just reject it directly.
　　还有几个细节不能忽视。一是看对方网站有没有被降权或者被K的经历。可以用站长工具查查历史快照，如果快照长时间不更新，或者收录量突然暴跌，那可能是有问题。二是别和作弊网站交换链接，比如那些用黑帽SEO手段刷排名的，万一被搜索引擎发现，你也可能被牵连。三是链接位置要显眼，最好放在首页或者内容页的正文区域，别藏在 footer 里或者侧边栏底部，这样用户看不到，搜索引擎也可能不重视。
　　There are still a few details that cannot be ignored. One is to check if the other party's website has experienced being downgraded or penalized. You can use webmaster tools to check historical snapshots. If the snapshot is not updated for a long time or the indexing volume suddenly drops sharply, it may be a problem. Secondly, do not exchange links with cheating websites, such as those that use black hat SEO methods to boost rankings. If they are discovered by search engines, you may also be implicated. Thirdly, the link position should be prominent, preferably placed in the main body area of the homepage or content page, and not hidden in the footer or at the bottom of the sidebar, so that users cannot see it and search engines may not attach importance to it.
　　最后，换完链接不是就完事了，得定期“体检”。比如检查对方网站是不是还正常运营，链接有没有被删除或者加上nofollow标签（这种链接不传递权重）。如果发现对方网站有问题，或者链接失效了，赶紧联系对方修复，或者干脆撤掉链接，别让“坏邻居”拖垮你的网站。
　　Finally, changing the link is not enough, regular "health check ups" are necessary. For example, checking whether the other party's website is still operating normally, whether the links have been deleted or added with nofollow tags (which do not pass weight). If you find that there is a problem with the other party's website or the link is invalid, contact them immediately to fix it, or simply remove the link, don't let the "bad neighbor" drag down your website.
　　总之，在山东做网站优化，换友情链接得像挑合作伙伴一样谨慎。找对行业、看好质量、盯紧细节，才能让友情链接真正成为提升网站权重的“助推器”。
　　In short, when optimizing a website in Shandong, changing friendship links should be as cautious as choosing a partner. Only by finding the right industry, focusing on quality, and paying close attention to details can friendship links truly become a "booster" to enhance website weight.

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