API:Etiquette/ja

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maxlag パラメーターの使用
If your task is not interactive (i.e. A user is not waiting for the result) you should use the maxlag parameter. This will prevent your task from running when the load on the servers is high. Higher values mean more aggressive behaviour, lower values are nicer.

Manual:Maxlag_parameter を参照してください.

User-Agent ヘッダー
your client's performance, consider whether to put it into Wikimedia's Tool Labs.