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OT optimising pictures for web pages


  • To: <ukha_d@xxxxxxx>
  • Subject: OT optimising pictures for web pages
  • From: "Mick Furlong" <hiltoneltd@xxxxxxx>
  • Date: Mon, 16 Jun 2003 12:48:36 +0100
  • Mailing-list: list ukha_d@xxxxxxx; contact ukha_d-owner@xxxxxxx
  • Reply-to: ukha_d@xxxxxxx

Folks I know a lot of you do web pages both for yourselves and others so I
thought I would ask this here.

I am putting together a website which will have pages with 2/3 smallish
pictures in the text and I want them to download fast on a modem link.
These  will then be linked to larger versions of the pictures....easy so
far.

Question is how do I work out the optimum size for a trade off between
download and quality? Is there a formula or method for doing this?

the original pictures were taken on a 4.5megapiel camera and I can get them
to a reasonable number of Kbytes by using Irfanview and adjusting the jpeg
compression, do I also need to reduce the definition? (the originals are
around 1.3MB and 2272x1704x24bpp).

Thanks for any help

Mick





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