Make laravel project to faster

Ref:

1. https://stackoverflow.com/questions/32941565/how-to-make-laravel-to-faster-page-loading-than-codeigniter
2. https://belitsoft.com/laravel-development-services/laravel-cache-and-business-profits
1. Inlines small external CSS files;
2. Removes unnecessary attributes in HTML tags;
3. Injects tags in the HEAD to enable the browser to do DNS prefetching;
4. Removes unnecessary quotes in HTML tags;
5. Removes unnecessary prefixes from URLs;
6. Removes unnecessary whitespace in HTML;
7. Removes HTML comments.
3.  https://tuts.codingo.me/improve-site-loading-speed-using-redis
4.  https://www.cloudways.com/blog/laravel-performance-optimization/
5. https://laravelcode.com/post/laravel-56-realtime-crud-system-using-google-firebase (imporant)