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