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Robots exclusion standard - Wikipedia

https://en.wikipedia.org/wiki/Robots.txt
The robots exclusion standard, also known as the robots exclusion protocol or simply robots.txt, is a standard used by websites to communicate with web crawlers and other web robots.
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Robots.txt Specifications | Search | Google …

https://developers.google.com/search/reference/robots_txt
Applicability. The guidelines set forth in this document are followed by all automated crawlers at Google. When an agent accesses URLs on behalf of a user (for example, for translation, manually subscribed feeds, malware analysis), these guidelines do not need to apply.
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Introducción a los archivos robots.txt - Ayuda de …

https://support.google.com/webmasters/answer/6062608?hl=es
Conceptos básicos sobre los archivos robots.txt: qué son y cómo usarlos¿Qué es un archivo robots.txt? Un archivo robots.txt proporciona información a los rastreadores de los buscadores sobre la
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The ultimate guide to robots.txt • Yoast

https://yoast.com/ultimate-guide-robots-txt/
The robots.txt file is one of the main ways of telling a search engine where it can and can’t go on your website. All major search engines support the basic functionality it offers, but some of them respond to some extra rules which can be useful too.
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How to Create the Perfect Robots.txt File for SEO …

https://neilpatel.com/blog/robots-txt/
Back to robots.txt. If you have a robots.txt file, you’ll need to locate it in your site’s root directory. If you’re not used to poking around in source code, then it might be a little difficult to locate the editable version of your robots.txt file.
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www.baidu.com

http://www.baidu.com/robots.txt
User-agent: Baiduspider Disallow: /baidu Disallow: /s? Disallow: /ulink? Disallow: /link? Disallow: /home/news/data/ User-agent: Googlebot Disallow: /baidu Disallow: /s?
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robots_百度百科

https://baike.baidu.com/item/robots/5243374
robots是网站跟爬虫间的协议,用简单直接的txt格式文本方式告诉对应的爬虫被允许的权限,也就是说robots.txt是搜索引擎中访问网站的时候要查看的第一个文件。当一个搜索蜘蛛访问一个站点时,它会首先检查该站点根目录下是否存在robots.txt,如果存在,搜索 ...
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Robots.txt validator and testing tool - Ryte, Inc.

https://en.ryte.com/free-tools/robots-txt/
The robots.txt file. The robots.txt file is a simple text file used to inform Googlebot about the areas of a domain that may be crawled by the search engine’s crawler and those that may not.
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Webmaster tools available for Yahoo Search | …

https://help.yahoo.com/kb/SLN2213.html
Webmaster tools available for Yahoo Search. You can manage how your website appears in Yahoo Search by using meta tags and robots.txt. Yahoo Search results come from the Yahoo web crawler (Slurp) and Bing's web crawler.
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