Description from extension meta
開発者向けツール。本番環境として指定したドメインのWebページを表示している際にアラートを表示します。
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Description from store
To prevent unintended operations on the production environment, this tool provides alert and request blocking features for domains designated as production.
Features
◆ Banner Display
An alert banner will be displayed on websites of the specified domains.
You can still operate the site while the banner is displayed; however, if you're checking the design on a production environment, we recommend turning this feature off to avoid any design disruptions.
◆ Request Blocking
Blocks requests to the specified domains, preventing them from reaching the server.
This includes all requests, even asynchronous ones such as Ajax.
◆ POST Request Blocking
Only POST requests to the specified domains will be blocked.
※ Asynchronous requests like Ajax will also be blocked.
These features can be freely toggled ON/OFF from the extension icon.
Settings like the specified domains can be imported/exported from the extension's options.
Wishing for fewer unfortunate accidents in production environments...