# How to improve Glide page speed

**URL:** https://community.glideapps.com/t/how-to-improve-glide-page-speed/28618
**Category:** Ask for Help
**Created:** [July 2, 2021, 10:26am UTC](https://community.glideapps.com/t/how-to-improve-glide-page-speed/28618 "2021-07-02T10:26:37Z")
**Posts on this page:** 1
**Showing post:** 10

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### Author: ![Darren\_Murphy](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/darren_murphy/32/47326_2.png) [@Darren\_Murphy](https://community.glideapps.com/u/Darren_Murphy)
#### Post date: [July 13, 2021, 11:14am UTC](https://community.glideapps.com/t/how-to-improve-glide-page-speed/28618/10 "2021-07-13T11:14:54Z")

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> [@nathanaelb](#):
>
> I believe I remember reading somewhere that when uploading images to Glide, the back end of Glide does in fact compress and/or resize images for us.

> [@Does glide download the image url or just display it?](https://community.glideapps.com/t/does-glide-download-the-image-url-or-just-display-it/10827/2):
>
> Neither. Glide heavily caches your images and optimizes them per device, changing their format and resolution to load optimally for each operating system and screen density. I’m guessing that you’re asking because you’ve updated an image and it’s not updating in your app. If so, please see [How can I cause my images to update whenever they change?](https://community.glideapps.com/t/how-can-i-cause-my-images-to-update-whenever-they-change/364)

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