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 is a set of instructions that tell search engines which pages to crawl and which pages to avoid, guiding crawler access but not necessarily keeping pages out of Google’s index. A robots.txt file looks like this: