The visual aspect of channels is very critical. In fact, design is the first thing that a potential subscriber pays attention to, even though unconsciously. Informative Some Telegram Channels content management tips Don’t publish new content at nighttime. Since not all users disable notifications for the night, you risk inadvertently disturbing them. The optimal dimension of the avatar on Telegram is 512px by 512px, and it’s recommended to use PNG format to deliver an unpixelated avatar.
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