域名收录
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域名收录描述了Googlebot已爬取并添加到搜索索引的域名页面数量。健康的域名应让其大部分重要页面被收录，同时避免低质量或重复内容争夺爬取预算。爬取预算（Google每天爬取的页面数）部分在域名层面分配，因此拥有大量低质量页面的大型域名可能导致重要页面被爬取频率降低。[[canonical-url|标准标签]]、[[robots-txt|robots.txt]]和[[sitemap-domain|XML网站地图]]是引导收录的主要工具。
示例
Running 'site:example.com' in Google and finding 50,000 indexed pages for a 10,000-page site suggests duplicate content is consuming crawl budget that should be allocated to canonical pages.