Fresh content is very important in terms of search engine optimization. Users surfing the net are always looking for the latest information. Search engines understand this and therefore places a great emphasis on the content freshness. Sites that are regularly updated also encourage the spiders to visit often. For example, a page that has its content updated daily will find that search engine crawls the page more often than the other less active pages. This explains why blogs have frequent bots visit as compared to other sites.
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