In November 2017, Twitter doubled the maximum allowed tweet length from 140 to 280 characters, a drastic switch on one of the worlds most influential social media platforms.
280 characters Now that the limit is 280 characters, the most common length of a tweet is 33 characters. Historically, only 9% of tweets hit Twitters 140-character limit, now its 1%. That said, Twitter did see some impact from the doubling of character count in terms of how people write.
The short answer is, “As often as you can consistently post quality content.” Quality and consistency are key to social media success. This has not changed for 2021, and I dont expect it to ever change! But you want more… you want tips and suggestions!