Structuring such an essay is not going to be that difficult for you. Like any other essay, you have to write an outline for your narrative essay as well. It will provide you an idea about the structuring of your essay. Choose an interesting topic and follow the points in the outline and write your essay.
The main problem about these blogs is right from the website creation, before you even start talking about the essays. People tend to make mistake right from the beginning. Take a look at what is outlined here; https://www.codica.com/blog/how-to-build-saas-product/, I’m not trying to compare a saas website with a blog but you should understand the key points here. If it’s not up to a certain standard, failure might occur. But like they say, Rome was not built in a day, so there’s no need to rush to this standard, everything takes time