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Site map, most often overlooked factors, when we put too much energy into the chain or content, if you focus more on the site map, there are more such as search engine crawl and rankings, so I specifically for the site map did an interesting experiment to the right thing Sitemap exactly look for what format.
The current blog or CMS programs have some Web site map generated plug-ins, and site maps usually have XML and HTML format. Therefore, when choosing the format of the site map, we tend to be confused, so we do a rough analysis of the 2-format map.
The main functionality of the HTML-formatted map is to give users the access or article they want to find, and this map will certainly be crawled by search engines. The equivalent of a signpost, so that users do not find on the site of the dizzy
And strictly speaking, the map of XML is seor often talk about a kind of site map, this kind of map is generally for search engines to see, let spiders in the site priorities directory and more accurate crawl articles, Usually we see SINA and other portals of the article immediately can be crawled by search engines because of the role of XML maps, spiders stay in the XML map for a long time to crawl information in time. So for XML maps is an indispensable map format for every website.
So, what exactly are we going to do with maps in XML and HTML? First of all, my advice is that if it's a large, complex class portal or a web of information classes, you have to have HTML maps and XML maps, and then, on a website with too much information, Both the user and the search engine can not be the first time to view or crawl to their own content, so the large information site class must do 2 hand grasp. The user experience and SEO also do the ultimate, and general class corporate web site or personal site is necessary to build an XML site map, because in these two sites more should pay attention to the search engine rankings, that is to put more energy on the spider to stay and crawl on, For example, before my site: www.clarinscn.org before the article included is not very good, often more than a few days before will be included, and add XML map, search engine spiders on the long-term stay in the map, a new article will be the first time to crawl.
Finally, I think all sites should be the best to create a separate map of the XML, which has a great help for the search engine rankings, do not pound the penny, search engine rankings are often due to a small detail and determine the merits of the rankings.