The skinny website, a review of the facts
The sitemap needs to be checked on regular basis so that you may identify if Google is making any errors with your sitemap. Once you submit your blog to Google, you are not supposed to resubmit it and you can just update your sitemap. You can also install the sitemap plugin for automatically keeping your sitemap up to date. Apart from that, the sitemap plugins also keep on reporting Google regarding the changes on your website. Blogging software is required to generate sitemaps.