Re: UKNM: Image sizes

[Dan Winchester]

rukhsana,


To reduce the file size of a gif:


- reduce the physical size of the image

- reduce the total number of colours needed to make up the image

- reduce the complexity of the image


Smaller file size means quicker download time.


So, a square gif made up two colours, one half black and one half white,

will come down the pipe far quicker than a photograph of the same

physical size.


Hence, if you wanted a physically large background image, with the

download time of a small photo, use few colours and stick to simple

designs.


Using jpegs for photos will typically reduce the file size compared to a

gif, unless the photo can be represented using very few colours.


Hope this helps!

Dan

http://dan.freelancers.net




gif optimisation is done by reducing the number of colours necessary to

form the image,

rukhsanaolivemedia [dot] co [dot] uk

 wrote:

 > 

 > This has probably been done to death - and it's a question for 'techies' i

 > guess - now bear with me - I am NOT a techie...

 > 

 > How is it that some sites have such little download time on images which

 > look BIG and other's take longer even though they LOOK smaller? Is it to

 > do with gifs?  jpegs?

 > 

 > I'd really like to be able to 'put my well informed point' across to some

 > programmers i am working with at the moment!

 > 

 > Hope some of you 'exSperts' out there can give me some pointers... you

 > can mail me here (?) or direct.

 > 

 > many thanks

 > 

 > rukhsana



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