Compress your Images to Decrease Load Time
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With increasing use of Ajax, lot of data is rendered using JavaScript and even though you have a friendly “Loading …” message for the user, it is a must to render the content fast. This is applicable even to sites which do not use Ajax but have images on them.
Recently I was working on developing a Google Maps tool which renders lot of content (including images) on the page using JavaScript. Performance was a big issue and one of the things we looked at was compressing the images for the icons.
The tool which we used was http://www.giftools.com/gifcompress.html (GifTools).
It is an online tool to which you can hand the URL of any gif image and it will give you a compressed version of the gif image.
On icons we achieved more than 50% reduction in size (remember icons are small and you can compromise on the quality of the icon without much impact visibly for the user).
The original size was around 1044 bytes which got reduced to 398 bytes.
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