Here are the 4 important SEO metrics to focus on:
1. Click-through rate - This is the percentage of people who click on your link when they see it in the search results. A high click-through rate means that your title and description are effective and relevant to the searcher's query.
2. Time on site - This is the average amount of time that people spend on your website after clicking through the search results. A high time on site indicates that people find your content useful and relevant.
3. Bounce rate - This is the percentage of people who leave your website after viewing only one page. A low bounce rate indicates that people are finding what they're looking for on your website.
4. Pages per visit - This is the average number of pages that people view on your website after clicking through the search results. A high page per visit indicates that people are finding your website easy to use and navigate.
Pro-Tip: Do reverse image search technique to boost the SEO of your website!
Here's related information that you may find helpful (How To Reduce Website’s Bounce Rate To Improve SEO)