Speed Optimization for Wordpress website

I need to make speed optmization for my wordpress website (www.s3ro7low.com)
I have burchase this theme recently from:
https://themeforest.net/item/martfury-woocommerce-marketplace-wordpress-theme/21273233
the hosting is on AWS (lightSail), 512 MB RAM, 1 vCPU, 20 GB SSD

so I need to reach the speed

GTmetrix:
Performace 99% or more
structure 90% or more

pagespeed.web.dev:
performance 94 or above
Accessibility 65 or above

Theme documentation from here:
https://docs.drfuri.com/martfury/#/

here is the theme creator advice about the site speed:
https://docs.drfuri.com/martfury/#/01-getting-started/06-speed


=== config
PHP Configuration Limits:
max_execution_time: 180
memory_limit: 128M
post_max_size: 32M
upload_max_filesize: 32M
====

plugins
https://docs.drfuri.com/martfury/#/02-download-installation/02-install-plugins

preview demo:
https://preview.themeforest.net/item/martfury-woocommerce-marketplace-wordpress-theme/full_screen_preview/21273233