simple slideshow question

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brianluce
 
 
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simple slideshow question

Post by brianluce » Thu Jan 31, 2019 8:34 pm

Is there a way to make the slideshow load faster?
For example limiting the number of photos in the show or using lower res pics? Or is the only factor internet speed?

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BaconFries
 
 
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Re: simple slideshow question

Post by BaconFries » Thu Jan 31, 2019 8:49 pm

Its not about the resolution of the images used it is the weight of the images. Lets say you have 25 images and each image is say 2mb that equals 50mb (plus scripts/css etc on page) this will cause the page to load slowly even if you have a good Internet connection. It is recommended to keep image weight to kb's and that they are optimised for use in your page(s) (use .jpg/.gif over .png and .bmp) and if you do need to use multiple images in large quantities then use more than just one slideshow to show them.

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Bluesman
 
 
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Re: simple slideshow question

Post by Bluesman » Fri Feb 01, 2019 6:44 am

Ofcause it is the resolution to. 72 dpi is the optimal resolution for web pictures on computer screen. So for example if you have a photo/pic that you want to show at 820 pxl width... make it 820 pxl and 72 dpi, then it is optimized.
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Lasa
 
 
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Re: simple slideshow question

Post by Lasa » Sat Feb 02, 2019 8:07 pm

A 820 px at72 dpi doesn't mean optimized. I don't know what software you use to optimize you images but there are various stages of optimization... you can have the same image same size optimized to tons of degree of optimization.
http://threefooter.com/dpi72/
If you right click them you can see they are the same size at 72 dpi but each is a different KB
top : 670 KB too big
middle: 161 KB good
bottom: 109 KB starting to degrade too much!

The optimization is simply taking out information the eye can't see. If you look closely you can see the image kind of fall apart as the KB of info gets removed.

I use Photoshop but there are gazillion programs that let you see just how far you can take an image before it look bad.
Hope this helps
Cheers,
Lasa

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