Zatta Production
Japanese Production Studio for Web, Video, Paper, and other things.
Misc things in various ways.

Free Tools

Production notes 制作雑記

Beware of Spoofing and Phishing Scams impersonating muu muu domain and GMO Internet Group

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.

A site you can check the DNS -

DNSを調べられるサイト -

A site you can check the DNS info -

LiteSpeed Cache plugin disables Site Logo Block image option to upload image in WordPress Site Editor (FSE)

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.

Basics of bfcache and how to detect with JavaScript

Introducing bfcache, which displays web pages faster, how to confirm it, and how to detect it with JavacSript.

You can view past and scheduled post dates in the WordPress publish date menu

Trivia that you can see the date of your previous posts and the date of your scheduled posts within WordPress post publish setting calendar.

[a-blog cms/Multi-language site] How to tell Google about localized pages

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.

[a-blog cms] Alias link generation bug of the latest Ver. 2.11

In version 2.11.57 of a-blog cms, there is a bug with alias link generation. In multilingual sites that use the alias feature, the links of the alias site become the links of the root blog. A patch has been released and should be applied.

When e-tax (web ver) does not proceed from the loading screen, try changing the browser language setting to Japanese.


When e-tax (web version) does not proceed from the 'Loading...' screen, changing the browser language to Japanese may solve the problem.

Why is the README file uppercase?

Reason why file names such as and are often in uppercase

Note for Shopify CLI

Note for Shopify CLI