For each product you have a description, reviews and images. What can you post on your ecommerce blog ?
Detailed product reviews
Comments comparing similar products
Articles that are indirectly related to your niche. For example, if you are japan telegram data selling engagement rings, you can provide blog posts related to weddings, how to propose, etc.
Announcement of new products, changes to existing products.
Announcements about special offers and upcoming events.
Learn more about the aspects to start an online store.
How often should you update your ecommerce blog?
The answer is simple, when you have new HIGH QUALITY content to publish.
For an e-commerce website, you need to be careful not to alienate potential customers, but to give them the content they need.
If you can do this frequently, that's even better, but I know from experience that it's difficult to do.