LCP or largest contentful paint time,is the period during which the largest part of the content becomes visible to the user. This includes everything that’s above the fold or “viewport” (the area visible to the user after the page initially loads),whether that’s a chunk of video, images, or other elements.
1. Identification LCP
Tools like GT matrix,lighthouse,Page speed insights.
2. LCP Audits Tools
3. How to improve LCP follows below the steps below the opportunities.
Eliminate render blocking resources
Reduce unused CSS
Reduce initial server response time
Ensure text remains visible during
Avoid enormous network payloads
Avoid chaining critical request
Largest Contentful Paint elements
3.1 We can optimize product page gallery, fotorama gallery for improving your LCP score.
3.2 We need to optimize images to improve your score like below the following opportunities.
Properly size images
Defer offscreen images
Images need Width and height
3.3 We need to preload the image that can also help to improve your Lcp score.