Building relevant topics for your blogs is crucial for ranking on search engines. Here are some steps you can follow:

1. Keyword Research: Start by conducting keyword research to identify popular and relevant topics in your niche. Tools like Google Keyword Planner, SEMrush, or Moz Keyword Explorer can help you find keywords with high search volume and low competition.
2. Competitor Analysis: Analyze your competitors' blogs to understand what topics they are covering and how well they are performing. This can give you insights into popular themes and content gaps that you can leverage.
3. Identify User Intent: Consider the intent behind the keywords you have selected. Are users looking for information, product reviews, or solutions to specific problems? Tailor your topics to match the user intent and provide valuable content.
4. Create a Content Calendar: Plan your blog topics in advance using a content calendar. This helps you stay organized and ensures a consistent flow of relevant content. Consider the seasonality of topics and align them with your audience's interests.
5. Use Long-Tail Keywords: Incorporate long-tail keywords into your topics. These are longer and more specific phrases that have lower competition. For example, instead of targeting "healthy recipes," you could focus on "easy and healthy vegetarian recipes for beginners."
6. Consider Searcher's Questions: Think about the questions users might have related to your niche and create blog topics that answer those questions. For example, "How to optimize blog posts for SEO" or "What are the best practices for social media marketing?"
7. Stay Updated: Keep up with the latest trends and news in your industry. This allows you to create timely and relevant content that resonates with your audience and attracts search engine traffic.

Remember, building relevant topics is an ongoing process. Regularly analyze your blog's performance, track keyword rankings, and adapt your topics based on user feedback and search engine algorithms.

References:

• Google Keyword Planner: https://ads.google.com/intl/en_in/home/tools/keyword-planner/
• SEMrush: https://www.semrush.com/
• Moz Keyword Explorer: https://moz.com/explorer