json:smaller than XML

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Hello,

it is said that 'JSON is smaller than XML, and faster and easier to parse.'
I know that it is easier to parse. but how it is 'smaller' than xml? its length (data length) is similar to xml.

it it because

XML

"firstName":"John"

in json is equivalent to

XML

<firstname>John</firstname>

?
Just curious about it.

Posted 10-Jul-13 1:26am

Amol_B

Updated 10-Jul-13 1:31am

v3

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Pablo Aliskevicius · Accepted Answer · 2013-07-10T02:49:00

Solution 1

"firstName":"John"
<firstname>John</firstname>
||||||||||||||||||123456789
123456789012345678

9 characters saved, in your example.
JSON: 18
xml: 27
overhead: 50%.

Mileage may vary... ;)

Pablo.

Posted 10-Jul-13 2:49am

Pablo Aliskevicius

Comments

Amol_B 10-Jul-13 9:50am

Thanks Pablo!

RaisKazi 10-Jul-13 9:58am

Good Answer. :)