To avoid undesirable content in the search indexes, webmasters can instruct spiders not to crawl certain files or directories through the standard robots.txt file in the root directory of the domain. Additionally, a page can be explicitly excluded from a search engine’s database by using a meta tag specific to robots. When a search engine visits a site, the robots.txt located in the root directory is the first file crawled. The robots.txt file is then parsed, and will instruct the robot as to which pages are not to be crawled. As a search engine crawler may keep a cached copy of this file, it may on occasion crawl pages a webmaster does not wish crawled. Pages typically prevented from being crawled include login specific pages such as shopping carts and user-specific content such as search results from internal searches. In March 2007, Google warned webmasters that they should prevent indexing of internal search results because those pages are considered search spam.
Additional pages on a web site may also be chosen to be restricted from being indexed as well. Some examples are any personal pages that you may have that you choose not to have listed, private company information, or even hidden pages that you wish the search engines not publically find.
Keeping track of which pages provide the greatest benefit to your search engine listing are always key. So keep those pages in mind while you generate your own list.
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really interesting post. Not sure I agree 100% but it has changed my view a little. I’ll have a think and post a response soon. Glad I found this thread
Thank you for making the effort to describe the terminlogy to the inexperienced persons!
Wow!, this was a top quality post. In theory I’d like to write like this too – taking time and real effort to make a good article… but what can I say… I keep putting it off and never seem to get something done
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