It can range from a few minutes to a few years since "down for maintenance" can mean finding a script that was lost or overhauling the design and interface of the whole website.
I've seen website maintenance last for about 8 months, and have preformed it in less than 3 hours.
Usually it lasts as long as the regular maintenance is going on. about 6 hours.
If it has not been abused and had regular maintenance it can last 200-300 miles. Without maintenance and abuse they can last 35000 miles.
Maintenance will last as long as Moshi Monsters need it to be able to manage the web site and make the necessary changes. They try not to make it last very long, but it will be worth the wait as they use maintenance time to add new things to the game as well as fix anything that may not be working correctly.
With proper maintenance probably forever
The developer team, if you are searching for best website development company in Dubai, which also provide long term maintenance for your business website and assist you in the grow of the business along.
With proper care and maintenance, a car can last, literally, forever.
with proper maintenance over 200k miles.
Many factors play a role in engine longevity. Provided the routine maintenance is performed regularly according to the maintenance schedule, Acura's will last a "long" time. I have 225K miles on my Vigor.
With proper care and maintenance, as long as you want it to.
From 7:00 to 7:30 GMT every day.
With proper care and maintenance, a few hundred years.
150,000 miles on average with regular recommended maintenance.