What are the character limitations of title and description tags?

[handmaderug]

What are the character limitations of title and description tags?

[cleanetic]

HTML Title Tag Length
However, the recommended length of title is somewhere between 65 to 70 characters including spaces, because more than this likely to be truncated in the search results. So try to keep the title length to 65 characters including spaces for best possible rendering.
Meta descriptions can be any length, but Google generally truncates snippets to ~155–160 characters. It's best to keep meta descriptions long enough that they're sufficiently descriptive, so we recommend descriptions between 50–160 characters.

[RH-Calvin]

Google typically displays the first 50–60 characters of a title tag. If you keep your titles under 60 characters, our research suggests that you can expect about 90% of your titles to display properly.

Meta descriptions can be any length, but Google generally truncates snippets to ~155–160 characters. It's best to keep meta descriptions long enough that they're sufficiently descriptive, so we recommend descriptions between 50–160 characters.