Provide FairShare with an RSS feed of your content and the service will compare it to billions of indexed pages around the web.

用户将网络内容的RSS feed提供给FairShare，后者将其与网络中的大量索引页面进行比较。

youdao

Making mistakes in the robots.txt file accidentally disallow spiders from crawling through the entire site, resulting in no indexed pages.

txt文件中的偶然失误会禁止“蜘蛛(spider)”爬过整个站点，最后导致没有建立页面的索引。

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The number of results returned from the search indicates how many pages Google is currently using as a benchmark for indexed pages that include that keyword or key phrase variation.

结果的数量从搜索返回的显示多少页目前谷歌是作为一个索引的网页，包括使用该基准的关键字或关键短语的变化。

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As mentioned in the previous post of what to focus on when measuring SEO which included URLs and indexed pages, landing pages, the second part of the SEO health check consists of keywords, organic search traffic, and how to interpret all of your data.

FORBES: SEO Health Check: Examining the Data that Matters

Something that was mostly cut and paste from other pages already indexed would, quite deliberately, thus come lower in the results.

FORBES: Google's Weapons of Mass Destruction Program

Could it be that the eight billion Web pages crawled and indexed by Google and Yahoo!

FORBES