Is kind of annoying that in most areas especially mine tactical voting is the only option if i dont want the torries back in. I saw this posted on another thread https://stopthetories.vote/ Seems to have been updated for the most recent local elections.
The answer is that you type 2 characters to make a heart, which are the less than symbol < and 3, when together make a heart <3 And that’s only 2 characters, which is less than 3. So the answer is both the instructions on how to type a heart and the number of characters required to type a heart.