How to Avoid Enormous Network Payloads in WordPress (8 Expert Tips)
TLDR: To avoid large network payloads in WordPress and improve site speed, follow these 8 tips: 1) Optimize and reduce image sizes. 2) Embed videos from platforms like YouTube. 3) Implement lazy loading for images and videos. 4) Minify and reduce the number of CSS and JavaScript files. 5) Use Gzip compression to shrink file sizes. 6) Utilize browser caching for repeat visitors. 7) Limit font usage to system fonts. 8) Avoid heavy plugins that slow down the site.
https://www.wpbeginner.com/wp-tutorials/how-to-avoid-enormous-network-payloads-in-wordpress/