LCP measures when the largest above-the-fold element renders — target under 2.5 seconds.
LCP elements are often hero images, headings or blocks. Slow server TTFB, render-blocking CSS/JS and large unoptimized images delay LCP.
Preload critical fonts, compress images and defer non-essential scripts. Tentaco OG Image and Image Compressor help produce web-sized assets that improve LCP on landing pages.