Hello,
1. – Minimize main-thread work (https://prnt.sc/2e0ityqW2IRV) – I suggest using the Wp Rocket to fix it, more detail is here: https://wp-rocket.me/google-core-web-vitals-wordpress/minimize-main-thread-work/
2. -Reduce JavaScript execution time (https://prnt.sc/oZ-Ajo81pEDw) – Also, the WP Rocket can help with it, check this: https://wp-rocket.me/google-core-web-vitals-wordpress/reduce-javascript-execution-time/
3. -Largest Contentful Paint issue (https://prnt.sc/tVlFSeXsG7Md) – This approximates when the main content of the page is visible to users, thus the site needs to be optimized in general so that the largest content element is displayed more quickly.
4. -Eliminate render-blocking resources (https://prnt.sc/5bu9wlc2kqbc) – you may try solutions described here https://onlinemediamasters.com/eliminate-render-blocking-resources-wordpress/
5. – -Reduce unused CSS (https://prnt.sc/xiDGkL6URg_R) – To fix that, I suggest using the WP Rocket.
WP Rocket -> Settings -> File optimization. Enable CSS minify and combine it
https://www.wpbeginner.com/wp-tutorials/how-to-remove-unused-css-in-wordpress-the-right-way/
6. -Avoid an excessive DOM size (https://prnt.sc/0nrwyvi28sX2) – The number of DOM elements are generated in the process of content building. All page builder elements are DOM elements. If you want to reduce DOM elements you will have to reduce the content: widgets, products, menu items, and others.
7. -Image elements do not have explicit width and height (https://prnt.sc/Y73iM-et2hto) – navigate to Theme Settings -> Footer -> Copyright and add to the payment image the width and height attributes: https://prnt.sc/_l2GVBuElAbv
8 -Reduce unused JavaScript (https://prnt.sc/n4qEbvZj1Kz1) – Use the WP Rocket to fix that, navigate to WP Rocket -> Settings -> File optimization -> enable Minify JavaScript files: https://prnt.sc/gRnGNFDeaCCN and additionally these options: https://prnt.sc/fCMisMjViraZ
Kind Regards
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