What is the allowed character limit for title and message in web push notifications?

The length of notification title and message depends on a number of factors including screen size, width and input language.

It may vary from device to device. The total permissible data limit is 4 KB.

If the number of characters exceed the limit suited for a device type, the title/message may appear trimmed (followed by ...) when delivered on that device.

Here's an example of how a trimmed title/message may look like on Mac.

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The character limits are however lower for a rich push that contains an image.

 

Hence, copywriting plays a vital role, along with the timing and relevance of the content.

 

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