Website performance is a key point for SEO. Website with good performance rank higher in Google and other search engines. SiteGround has a "Speed Optimizer" plugin to help Wordpress website achieve performance. Along with other speed Hostinger also has its own counterpart technology, namely litespeed cache.
There are several settings need to be set in order to achieve good performance.
Once the domain name is connected, SSL certificate will be installed automatically.
All the 3 options should be opened.
File cache should be enabled.
LiteSpeed Cache is a Wordpress plugin, it will be install along the Wordpress installation. However, this plugins is conflicted with SiteGround's "Speed Optimizer" plugin and other similar speed optimization plugins. All other plugins should be deleted in order to make the Hostinger native optimization method works.
In Litespeed Cache plugin, "Advanced presets" is good for most case.
There are a few things you should know about using boost a website performance:
CDN and cache are most important one-click method to boost performance.
A website's performance can be checked by Google's PageSpeed Insights. Compare the PageSpeed score before and after migrate to validate the performance optimization.