Module to create Google Sitemap (Google Sitemap is used to make your site visible in Google Search Engine), you can select pages which wants to include in sitemap, You can notify google to crawl sitemap.
1) Installable Module.
2) Easy installation.
3) Easy admin interface.
4) Select pages to include in sitemap
5) Notify Google to crawl sitemap from admin
6) Option to set page frequancies and priorities
What customers say about Google Sitemap (Advanced) for Opencart
Excellent extension and even better support i received.