3b1.ie
September 2, 2025

You could reduce your image size by 78% (1,513 KB), saving seconds of total 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://3b1.ie/hubfs/web%20image.jpg
842 KB
41 KB
95%
https://3b1.ie/hubfs/keans%202.jpg
417 KB
59 KB
86%
https://3b1.ie/hubfs/beamish%202%20(1).jpg
429 KB
150 KB
65%
https://3b1.ie/hubfs/griffith%20college.jpg
113 KB
77 KB
31%
https://3b1.ie/hubfs/foleys%20plumbing%201.jpg
40 KB
28 KB
30%
https://3b1.ie/hubfs/dynorod.jpg
91 KB
64 KB
29%
https://3b1.ie/hs-fs/hubfs/3B1%20logo.jpg?width=100&height=100&name=3B1%20logo.jpg
616 bytes
493 bytes
20%