Web and technology
TTL
Abbreviation for Time to Live
In short and in plain language
The TTL says how long a stored answer or record stays valid.
After that, it is asked for again.
It is used in the domain name system. It is also used in caches for browsers and for networks that deliver content.
A short time lets changes take effect sooner. A long time saves requests.
Definition
The TTL states how long a cached answer or record remains valid before it is requested again. It occurs in the domain name system and in caches for browsers and delivery networks. A short TTL lets changes take effect sooner, a long one saves requests.