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原创中文SEO观察与观点，搜索引擎优化与网站推广博客。Chinese Search Engine Optimization Blog.

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北京SEO培训中心

2006-5-18 17:0:43

给大宗交换友情链接一个提示

说夸张点：大宗交换友情链接=顶风作案。买卖链接=花钱买风险

。Bigdaddy更新结束后，对于网站链接的trustrank更加重视。虽然PageRank仍然是Google的招牌菜，但是我相信现在的Pagerank不仅仅是显示在google工具条上的数值（PR），而是包括trustrank在内的多种影响因素的Page Rank技术。

划线部分原文引用自Matt Cutts博客
Linking to a free ringtones site, an SEO contest, and an Omega 3 fish oil site? I think I’ve found your problem. I’d think about the quality of your links if you’d prefer to have more pages crawled. As these indexing changes have rolled out, we’ve improving how we handle reciprocal link exchanges and link buying/selling.

This time, I’m seeing links to mortgages sites, credit card sites, and exercise equipment. I think this is covered by the same guidance as above; if you were getting crawled more before and you’re trading a bunch of reciprocal links, don’t be surprised if the new crawler has different crawl priorities and doesn’t crawl as much.

Some folks that were doing a lot of reciprocal links might see less crawling. If your site has very few links where you’d be on the fringe of the crawl, then it’s relatively normal that changes in the crawl may change how much of your site we crawl. And if you’ve got an affiliate site, it makes sense to think about the amount of value-add that your site provides; you want to provide a reason why users would prefer your site.

reciprocal link exchanges 互惠链接交换一般都是友情链接，双向的交换。
link buying/selling 以提升网站排名为目的，出售或者购买链接。

Tags: PageRank Google PR Google排名

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