Hi
I think You are using image optimization plugin, You can check that, when you reload the page, other image loads the previous one.
I can complete this task in the minimum time possible.
I am PHP, Wordpress, Laravel and Codeigniter expert, I have read your project carefully and I can immediately start to work on your project.
My Skills are: WordPress, Laravel, Codeigniter(PHP), JQuery, Ajax, JSON, Mysql, Bootstrap, Material CSS
Can you please explain little more.
Please, Come in the chat box.