Optimized product pages can give a boost to your affiliate marketing strategies and effort. They can help you retain more customers.
With blogging, your biggest focus should be on SEO: this is how you drive tens of thousands of targeted visitors to your website (and even more as you start to grow your blog) and how you increase your affiliate sales. Research high-volume keywords to target with your blog content (aka focus keywords) using SEMrush – as I showed you earlier Use the focus keyword throughout your blog posts; include it in your: headline, SEO title, meta description, in H2 headlines and throughout your blog post, where relevant. You can use an SEO plugin like SEOPressor to help you optimize your blog posts, especially if you’re not that familiar with SEO Focus on quality: Google is smarter than ever and it looks for high-quality content only; while keywords and optimization are extremely important, if your content isn’t high-quality, then your optimization efforts won’t count for much

The best thing about niche sites is that you don’t need to update it daily as you do in the case of your blog. You need to devote your time once while creating it, filling it with necessary keywords and then all you need is to gain traffic to these sites. You have to do a thorough study of competitive keywords and market your affiliate products.
This will entice readers to go for your referral. I have not analyzed the data but one of the top affiliate experts in India, Siddharth Sharma, says that this increases the chance of purchases by up to 3 times. He adds,