Google Sitemaps 更新

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Google Sitemaps是给站长的工具，用该工具来告诉Google我站点什么时候更新了，更新哪部分，然后让Google爬虫前来，并在Google上更新你的站点，连接最快最新的资讯。

Google Webmaster Central Blog上发布了消息，说Google Sitemaps已经有以下更新：(简要翻译)

• Googlebot Activity Reports - Charts that show you the number of pages Googlebot’s crawled from your site per day, the number of kilobytes of data Googlebot’s downloaded per day, and the average time it took Googlebot to download pages.
  Google爬虫活动汇报图
  

• Crawl Rate Control - You can access this tool from the Diagnostic tab. If you’d like Googlebot to slow down the crawl of your site, simply choose the Slower option.
  Google爬虫爬行的速度设定
  

• Enhanced Image Search - You can now opt into enhanced image search for the images on your site, which enables tools such as Google Image Labeler to associate the images included in your site with labels that will improve indexing and search quality of those images.
  增强版的图片搜索
  

• Number of URLs Submitted - Simply access the Sitemaps tab to see the number of URLs we found in each Sitemap you’ve submitted.
  查看你提交的网站地址数量