cobalt.fi
February 14, 2026

You could reduce your image size by 46% (156 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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...it takes just a few minutes to set up & start seeing the gains!

Original Size
Optimized Size
Savings
https://cobalt.fi/wp-content/uploads/2022/12/logo-cobalt-studio-flat.png
55 KB
25 KB
55%
https://cobalt.fi/wp-content/uploads/2022/11/Icon-Background-Paint-v2.jpg
24 KB
11 KB
53%
https://cobalt.fi/wp-content/uploads/2022/12/Background-Paint-vertical-500x889.jpg
26 KB
13 KB
49%
https://cobalt.fi/wp-content/uploads/2022/11/Icon-Background-Sea-v2.jpg
41 KB
21 KB
48%
https://cobalt.fi/wp-content/uploads/2022/11/Icon-Background-Element-v2.jpg
32 KB
17 KB
48%
https://cobalt.fi/wp-content/uploads/2022/11/Icon-Background-Brush-v2.jpg
14 KB
8 KB
47%
https://cobalt.fi/wp-content/uploads/2023/01/Featured-AntroBlogi-500x500.jpg
29 KB
17 KB
41%
https://cobalt.fi/wp-content/uploads/2022/12/Featured-ETMU-Hover-500x500.jpg
27 KB
16 KB
41%
https://cobalt.fi/wp-content/uploads/2023/01/Featured-AntroBlogi-Hover-500x500.jpg
15 KB
9 KB
41%
https://cobalt.fi/wp-content/uploads/2022/12/Featured-ETMU-v2-500x500.jpg
17 KB
10 KB
41%
https://cobalt.fi/wp-content/uploads/2022/12/Featured-Hankkinen-500x500.jpg
16 KB
10 KB
38%
https://cobalt.fi/wp-content/uploads/2022/12/Featured-Archi-tours-500x500.jpg
21 KB
13 KB
38%
https://cobalt.fi/wp-content/uploads/2022/03/Website-archi.tours-pages-500x500.jpg
21 KB
13 KB
37%