If your website has 100s and 1000s of pages, the best way to create separate set of sitemaps. You could easy create category wise XML sitemaps and upload them. There is a another a great tool to help you http://www.auditmypc.com/free-sitemap-generator.asp Hope this will help
The same question was asked years back in this forum, check any thing you can get out of it: https://forums.digitalpoint.com/threads/free-xml-sitemap-generator-for-more-than-500-page-please-help.1743586/
For more than 500 pages, you need to write the sitemap of each additional webpage manually and then submit them,
yes u can try this site xml-sitemaps.com for creating your website site-map.but if it doesn't work then u have to create your sitemap bay your own.
there is a lot of threads about that problem generate if on free... use google to find a proper generator
When it comes to extremely large sites, which contain more than 100,000 pages the sitemap must be organized in a similar way. It has to include a classification of the core hierarchal content with links to different products, services, or other content. Sitemaps are usually an index page, which summarizes the content of the pages within a single site. However, there is another type of sitemaps, which consists of a series of links to pages of different sites.
Silly post. Just search in google and get tons of results in one click which gives you facility to generate sitemap automatically.
there are many free software that are used to create sitemap like : http://gsitecrawler.com/ Hope this may help
Sitemap creation for website is now easiest task for anyone. Just need to Google it to get online tool of sitemap creation.
There are a lot of paid tools are there. If you want free tools you can use XENU or use the MS office XML editor.
I can recommend http://www.xml-sitemaps-generator.de - It's in german, but very good. You can also remove SIDs from URLs.
I have also created xml sitemap through free tool. But my question is that i don't know where to put my sitemap in my wordpress sites. Kindly help me out .