Core Web Vitals – plugin

Hi,
i got the following error code when i check my Homepage with PageSpeed Insights:
– Minimize main thread work 5.4 s
– Largest Contentful Paint element 9,770 ms
– Reduce JavaScript execution time 1.6 s
– Enable text compression Potential savings of 651 KiB
– Reduce server response time Root document took 1,310 ms
– Eliminate unused CSS Potential savings of 535 KiB
– Eliminate unused JavaScript Potential savings of 257 KiB
– Defer offscreen images Potential savings of 277 KiB
– Serve images in modern formats Potential savings of 127 KiB
i tried to use Gzip to fix this problem but when i upload the htaccess file nothing changes or it doesnt improve. Could you help me with this issues please? Which plugins would be the best to fix most of them

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