Aims to establish a Web site to increase visibility and user traffic. Search engine optimization to increase website traffic methods. Another method is to use the Site Map, which allows you to specify a search engine which pages included or index. Site Map of the concept was first developed by Google, Yahoo and MSN also recently agreed to the application of this standard. This week our Help Sitemap standards.
The need to establish standards
The use of search engine spiders crawl the Internet, positioning them Indexed web pages to the database. This process needs a lot of resources, and sometimes, you want to index the page is ignored, without being included with the page. Search for changes in the network with the new web page, record them and the corresponding Google Googlebot spider classification is a typical example.
Site map for the site which clearly should be the index page, as well as the site has been added which provides a new method. Basically, its search engine and Web site to provide a communication channel. In theory, it is the search engine spiders by reducing the processing resources to alleviate the burden of the object, but can not replace the current site map crawling process.
About Site Map
Site Map is an XML document which contains a web site URL and the associated attribute table, the index should be a detailed description of what a particular site. Site Map must be UTF-8 encoding. The following is a site map XML file needed elements:
- <Urlset> – site map file to the start and end tags, start tags must include the namespace (xmlns) attribute.
- <Url> – the document that contains every page of this element.
- <Loc> – a document specified in the actual address of the page. It is a subset of elements <url> elements.
Document the following optional elements:
- <Lastmod> – <url> elements of a subset of elements. It was last updated the page specified time.
- <Changefreq> – <url> elements of a subset of elements. It has been designated by the frequency of page updates (regular, hourly, daily, weekly, monthly, and has never been updated annually).
- <Priority> – <url> elements of a subset of elements. Its designated website pages in relation to the importance of other pages, valid values for the 0.0-1.0, the default value of 0.5.
Samples of the following Web site explains how to map a sample page in the application of these elements. It assumes that the Web site as a designated home page, as well as its update frequency, last update time and the priority sites.
<? xml version = “1.0″ encoding = “UTF-8″?>
<urlsetxmlns=”http://www.sitemaps.org/schemas/sitemap/0.9″>
<url>
<loc> http://www.test.com/ </ loc>
<lastmod> 2006-11-20 </ lastmod>
<changefreq> daily </ changefreq>
<priority> 0.3 </ priority>
</ url>
</ urlset>
Sitemap file from your own decision, but it determines the location of the document may contain the URL set. For example, if the above sample file is located in Site Map http://www.test.com/sitemap.xml, then the site map file may contain any http://www.test.com/ at the beginning of the URL. Therefore, we propose that the site map file stored in the root site. Site Map file size should not exceed 10MB. If a file beyond this limit, we need to use gzip to compress.
The establishment of a Site Map
Since the site map in XML-based, you can easily use any text editor to create and edit them, but also specialized tools can be applied. The following list provides some of the current tools:
- Map node: one to generate and verify XML documents site map tool
- Gsitemap: an application. NET Framework to establish the site map generation tool.
- GSiteCrawler: a site map file to generate the Windows tool.
- phpSitemapNG: PHP with the preparation of a free site map generator.
- Google Sitemap Generator: A site map can be used to generate the Python script file.
Circular search engine
The establishment of a site map file, it should be submitted to a search engine. Each search has its own interface to submit the site map. Google’s Webmaster Tools to concentrate contains a site map submitted to the page. Before the use of an account you must be registered. Yahoo also has a free site map to submit the page, but the same must be registered before an account. Will follow the example of other search engines Google, Yahoo and MSN, to provide similar functions.
Other tools
Indexed pages search engine to crawl the process of slow and needs a lot of resources. Site map for the site specified what should be included which provides a way to search. They set up the same as a simple XML text files, but there are many tools can help you create a site map file. Now, they only deal with the current process to add.
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