Ask the pro- Wary about the frequent updates of your products on the e-commerce? The online products that you sell are more susceptible to search engine crawlers indexing problems. Different factors can contribute to slow website indexing; it is always desirable to get the product pages indexed as quickly as possible, which provides a competitive edge. In fact, poorly-indexed websites are losing a lot of valuable traffic.
Losing traffic from the Internet means losing sales, which can affect the profitability of your online business. The Googlebot will never penetrate deep in the content for a vertical website structure if those pages are just duplicate content. If they are indexed, similar pages will be auto filtered in SER (and will never rank).
A vertical website structure is the most common structure for big ecommerce websites, because it is the most logical structure. So one has to take extra precautions while developing a vertical website structure. You are aware of the weakness of a vertical website structure when it comes to getting low visibility due to lack of Page Rank and internal links. It means that a good marketing strategy is required to start getting back links from other related websites pointing to your important products. Truthfully, the impact depends on the PR of the links; the higher the PR, the more frequently will Google follow those links. This encourages the Googlebot’s crawling and indexing, not only starting from the home page, but on the deeper pages.
The chances of getting new product pages indexed as soon as possible. google recommends that you use a sitemap in your website. A lot of webmasters are confused by the term “sitemap.” There are two types of sitemap, namely the normal web sitemap (using .htm, .html, .php, .asp, extension) and the XML sitemap (for example: sitemap.xml).
The web version of your sitemap should be easily seen by your visitors and placed in your website. All URLs should link to it. It should NOT use .XML or any other other RSS style format. The XML sitemap should be located in the root directory, and no link from the URLs of your website should be pointing to this file. You do not need this to be viewed by users and to be indexed by the Googlebot. A word of caution – do not block this file in robots.txt