Technical Improvements

At launch, a website will not be fixed for optimal speed.

Technical improvements revolve around making the website bug-free and faster to load up—which is good for SEO.

All these things can be done with standard issue plugins.

GTMetrix

GTMetrix is the first place you should go to improve your speed.

WP Rocket

Another standard plugin, WPRocket is quite easy to use. 

Google Page Insights

Through Site Kit By Google, set up Google Page Insights and use the information there to improve the website technicals.

Use a Content Delivery Network

We use CloudFlare because its free. Hook it up to WP Rocket.