There are a variety of XML Sitemap generators that are available online that can help you create an XML Sitemap. One such company is XML-Sitemaps. You can find their website as well as step by step instructions. Basically, you have to enter your URL, indicate how frequently your website is updated and then click the "start" button. Then click the link to download the XML file.
There are plenty of websites that offer free XML Site Generators. Try a few sites such as xml-sitemaps, webdesigns, audotmypc and also google offers this service as well.
A site Map is a List of pages of a Website accessible to users. There are plenty of places online one can find Sitemap Generators. Xml-sitemaps, gsitecrawler and freesitemapgenerator are just a few examples one find this download.
A XML validator checks documents that are written in XML, eXtensible Markup Language. It can be downloaded from XML Validation and many more websites online.
Of course, if your site uses responsive design to serve mobile users, there is no need to create two sitemaps since the URLs are the same for both. And sitemaps are not a requirement for Google, it just makes it easier for Google to discover all your URLs without having to crawl them first. XML Sitemaps are important for SEO because they make it easier for Google to find your site's pages—this is important because Google ranks web pages not just websites. There is no downside of having an XML Sitemap and having one can improve your SEO, so we highly recommend them.
The Sitemap acceptable to Google follows an XML format
IBM and Oracle both offer an XML tutorial. These can be found online on their websites. The XML site offers many useful articles, tackling a variety of issues, such as how to run XML code in java and upgrading the program.
Some tips for creating a Google Sitemap in XML include making sure that your Sitemap is under 50 MB, maintaining syntax and not including session ID's in the URL's. You can get more information about sitemaps online at the Wikipedia. Once on the page type in "Site map" into the search field at the top of the page and press enter to bring up the information.
you could use an xml tool that would allow you to compare the files, most xml tools normally refer to this feature as xml diff, it allows you to compare differences in multiple xml files.
PHP 5 has a XML parser called SimpleXML that you could use.
An XML attribute is a specified property for a tag with a value. For example, the XML tag "person" could have the attribute "name" with a value of "bob."
Open the XML with notepad