2020年3月9日robots.txt文件采用了非常简单的, 面向行的语法。robots.txt文件中有三种类型的 行: 空行、注释行和规则行。规则行看起来就像HTIP首部(<Field>:<value>) 一样, 用于模式匹配。比如: # this robots.txt file allows Slurp & Webcrawler to crawl # the public parts of our site, but no other robots .....
2024年12月14日A robots.txt file tells search engines what to crawl and what not to crawl but can’t reliably keep a URL out of search results—even if you use a noindex directive. If you use noindex in robots.txt, the page can still appear in search results without visible content. Google never offi...