A quick hack to rank better on Google is to use tools like SEMRush or Ubersuggest by Neil Patel to identify high traffic keywords. You can pick your battle by having a mix of keywords based on search volume and competition. You are almost there and now it's upto your writing capacity to keep producing articles.

Hi Ashpreet. You can decide on blog topics for a website by browsing what works on the Internet or your competitors' websites. You can look at your past content and uncover topics that have generated the most interest and engagement. Cover the topics that are frequently asked on your website and cover every aspect of it. You have to understand your website, it's a niche, domain very properly, and once you do you can go ahead with putting content like that.