Production Note 制作雑記
There are phishing scams impersonating Muumuu Domain and the GMO Internet Group. Delete any emails with the subject 'Service Update Required! (サービスを更新する必要があります.!)' as they are phishing scams.
The WordPress plugin LiteSpeed Cache seems to disable the image upload option of Site Logo Block in the WordPress site editor (full site editing). Because of this plugin, the icon and menu for uploading does not show up.
Introducing bfcache, which displays web pages faster, how to confirm it, and how to detect it with JavacSript.
Trivia that you can see the date of your previous posts and the date of your scheduled posts within WordPress post publish setting calendar.
How to use HTML link tags to correctly tell the information to Google when you have pages localized for each language or region, such as on a multilingual site.
