Glasgow Caledonian University - 10007762ACTIVE


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    Date checkedCO2 / gramsPage sizeEnergy

    Tip: Optimise images

    We estimate potential to save at least 443kB* by optimising images:

    1. foodscience%20banner... is 516kB
    2. cop26banner.png is 351kB
    3. GetImage%20(7).jpeg is 336kB and could be 206kB smaller
    4. Captains-industry-ba... is 288kB and could be 181kB smaller
    5. Common%20good%20podc... is 195kB
    6. gccn_home.jpg is 129kB and could be 23kB smaller
    7. alc_home.jpg is 124kB and could be 33kB smaller

    First, check that images are appropriately sized - you most likely don't need a 6000x4000 pixel image straight from a digital camera. In Windows, the Photos software will let you quickly shrink huge images and will give you an improvement.

    Next you could try using (JPG image) or (PNG image) to further optimise your image. This will strip out metadata that may be taking up lots of space.

    *This is an estimate from Google PageSpeed and you may get much better results than this in practice.

    Tip: Large files

    Aside from images, here are the biggest resources:

    1. gcu_pledge2_16x9.mp4 is 8.4MB
    2. gcu_pledge2_16x9.webm is 1.2MB
    3. widget_iframe.a53eecb4584348a2... is 105kB