Nitro pack is one best plugins to make your website load speed.
They are available on the biggest platforms like Shopify, WordPress, woo-commerce, Magento and all types of websites.
They have free and paid versions and the free version is more than enough for a small website.
WordPress plugins that would help speed up your website:- W3 Total Cache
- WP Super Minify
- WP Smush
- WP Fastest Cache
- Autoptimize
- WP Super Cache
- Perfmatters