Hi sir, i can help you this issue and improve your website page speed upto 90% in gtmetrix tool and google developer tool.
i will do following task
Minify Html
Minify Css
Enable Gzip Compression
Leverage browser caching
and many other thing.
and i will optimize all the images that need to optimize without losing quality.
My skills are:
Wordpress,Woo-commerce
Wix,Shopify
PHP, Codeigniter, laravel
HTML5,CSS3, Jquery, JavaScript
Thank you very much in advance!!