I am working on a website which have 12Lack pages, so, I want build dynamic sitemap hence I want to know the process of dynamic sitemap creation. tell me if have another way to create sitemap for such of pages.
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Google maintains a large list of software programs that can create sitemap files here: https://code.google.com/p/sitemap-generators/wiki/SitemapGenerators
These programs may enumerate the URLs on your site in one of three ways:
Server Side Programs
Written in cross platform scripting languages, these programs would run on your server and appear to generally get your data by crawling the site.
CMS and other plugins
These would integrate into the software that runs your website and would get the list of urls by examining the database.
Software that you can install and run on your home computer to crawl your website and create a sitemap file
Websites that you could ask to crawl your site for you, then download a created sitemap from them.