Appears on the first page of search engines with appropriate keyword are the desires of each web owner, but it is not easy because a lot of things to do in order to optimize a web page to be like the search engines wants. This time I would like to share a bit of how to limit the search engines to index so carelessly made no specific restrictions that must be obeyed by the search engine spiders = crawler in its job to index a web page. Rules are written in a file called “robots.txt“.
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