Problem background:
无论是输入http://...，还是输入域名，都能跳转至https://...，Question:There are many ways, some are written in the file that configures port 80, some are written in .htaccess, and some set meta/refresh on the page.
Which one is more cost-effective?
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It is recommended to write port 80
1. No need for meta and refresh
Port 80, make a jump
The most cost-effective method is to use nginx’s rewrite to configure it