Can anyone suggest some idea to reduce the LCP? [img]
Are you still using WP Rocket? If yes, check out: 10 Proven Ways To Improve First Contentful Paint (FCP) in WordPress You have done the step to improve TTFB, you can skip to -> 2. Eliminate Render-Blocking Resources (Critical CSS: What Is It and How to Manage It?) Above is only for WP Rocket, which is a paid plugin. Check out Which plugins to use for better performance for Wordpress? if you go with Centminmod's optimized caching.
You are doing fine with WP Rocket, don't worry It was more of a remark should anyone else face the same problem and not have access to Rocket.