castus.co.uk
May 28, 2025

You could reduce your image size by 79% (824 KB), saving seconds of load time.

Based on < internet speed. Download speed baselines from Chrome DevTools. Actual time may vary.
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Your site's load speed has a direct and measurable impact on user experience, engagement, and conversion rates. Being the largest asset you'll typically find a page, images are often a prime target for optimization.

Below is a breakdown of how much individual images could be reduced by using PicPerf. This analysis was run by loading the page on a simulated mobile device. Every image was then run through a series of optimizations to estimate potential savings.

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Original Size
Optimized Size
Savings
https://www.castus.co.uk/site/assets/files/1/oskey-home-2.jpg
192 KB
12 KB
94%
https://www.castus.co.uk/site/assets/videos/home_poster.jpg
148 KB
22 KB
85%
https://www.castus.co.uk/site/assets/files/1500/how-to-climb-google2.jpg
48 KB
10 KB
80%
https://www.castus.co.uk/site/assets/files/1507/comp-9.gif
467 KB
109 KB
77%
https://www.castus.co.uk/site/assets/images/laptop-screenshot.jpg
157 KB
40 KB
74%
https://www.castus.co.uk/site/assets/css/svg/sprite.svg?v=241
25 KB
21 KB
17%