| What is robots.txt? |
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Although the robots.txt file is a very important file if you want to have a good ranking on search engines, many web sites don't offer this file. What is robots.txt?When a search engine crawler comes to your site, it will look for a special file on your site. That file is called robots.txt and it tells the search engine spider, which web pages of your site should be indexed and which web pages should be ignored. The robots.txt file is a simple text file (no HTML), that must be placed in your root directory, for example: http://www.example.com/robots.txt How do I create a robots.txt file?As mentioned above, the robots.txt file is a simple text file. Open a simple text editor to create it. The content of a robots.txt file consists of so-called "records".A record contains the information for a special search engine. Each record consists of two fields: the user agent line and one or more Disallow lines. Here's an example: User-agent: googlebot Disallow: /cgi-bin/ This robots.txt file would allow the "googlebot", which is the search engine spider of Google, to retrieve every page from your site except for files from the "cgi-bin" directory. All files in the "cgi-bin" directory will be ignored by googlebot. The Disallow command works like a wildcard. If you enter User-agent: googlebot Disallow: /support both "/support-desk/index.html" and "/support/index.html" as well as all other files in the "support" directory would not be indexed by search engines. If you leave the Disallow line blank, you're telling the search engine that all files may be indexed. In any case, you must enter a Disallow line for every User-agent record. If you want to give all search engine spiders the same rights, use the following robots.txt content: User-agent: * Disallow: /cgi-bin/ Where can I find user agent names? You can find user agent names in your log files by checking for requests to robots.txt. Most often, all search engine spiders should be given the same rights. in that case, use "User-agent: *" as mentioned above. Things you should avoid If you don't format your robots.txt file properly, some or all files of your web site might not get indexed by search engines. To avoid this, do the following:
Although comments are allowed in a robots.txt file, they might confuse some search engine spiders.
placeholder User-agent: *
User-agent: *
Disallow: /support
User-agent: *
User-agent: *
User-agent: *
User-agent: *
User-agent: *
Don't use an "Allow" command in your robots.txt file. Only mention files and directories that you don't want to be indexed. All other files will be indexed automatically if they are linked on your site.
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