The primary goal of the spammers is to increase the search engine ranking for their client sites, in a process called "black hat search engine optimization (SEO)" or "Spamdexing".

垃圾信息散布者的主要目的就是提高其客户站点在搜索引擎的排名，这个过程被称为 “黑帽式搜索引擎优化（SEO）” 或 “垃圾索引”。

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But, she’d just got entranced by Search Engine Optimization (SEO) for websites. She announced at the start that she didn’t want to talk about email marketing, but about SEO.

但她却从网页搜索引擎优化开始讲起，一开始她就宣布她不想讲关于电子邮件市场推广的内容而想讲搜索引擎优化。

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For example, if you're clueless about search engine optimization (SEO), you'll probably cripple your search engine rankings compared to someone who understands SEO well.

例如，假如你对搜索引擎优化(SEO)一无所知的话，那么你就会使得自己的网站在搜索引擎排名中位列那些了解SEO的博客之后。

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With Google now as much a verb as a company name, search engine optimization (or SEO)--the process of increasing a site's odds of ranking high in the search stacks--is a key consideration for any e-commerce player.

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Web.com offers this assistance through a subscription-based service that offers Web site design, search engine optimization (SEO), lead generation and Web analytics.

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