This is hosted on my local server. Files on an SSD, gigabit upload speed, no traffic, CPU 20% Idle. Magento 2.3
Home page load speed after sitting a while is about 5 seconds. Subsequent load are fine.
I'm not sure what to do to fix this.
With the diagnostic it says Magento - 3.5 seconds; Router_match - 1.4 seconds
I'm sure there is a setting somewhere I need to change.
Have you looked at adding Litespeed webserver to your server, especially one that includes the litemage license?
I recently moved my hosting to a dedicated server with these guys and it is lightening fast. The support helped me configure the Litemage extension in my store and I saw a huge improvement.
Please look at the varnish cache as you're using Magento 2.3. Ensure that you've enabled it via admin panel. Moreover, ensure the hosting service you're using also offers the varnish cache which is the requirement of the Magento server.
There're some more tips that help you to overcome the page load time:
1. Minification (CSS/JS)
2. Lighter Themes
3. Optimized the size of product images.
I hope it works for you. If you need any further help feel free to inbox me.
We used litespeed web server and litemage , this really helped us. Good server config and adequate hardware spec is critical also
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