sandcastle-web.com December 2, 2025
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
1 KB
311 bytes
77%
1 KB
313 bytes
76%
42 KB
11 KB
74%
3 KB
712 bytes
73%
78 KB
24 KB
69%
33 KB
10 KB
68%
73 KB
24 KB
67%
57 KB
20 KB
65%
90 KB
31 KB
65%
https://sandcastle-web.com/wp-content/uploads/2015/07/slider_graphic_UpCityTopSeattleDeveloper-1.png
32 KB
12 KB
63%
37 KB
15 KB
58%
13 KB
6 KB
51%
27 KB
13 KB
51%
9 KB
5 KB
44%
2 KB
1 KB
40%
10 KB
6 KB
38%
15 KB
9 KB
38%
41 KB
25 KB
38%
21 KB
14 KB
33%
45 KB
33 KB
27%
57 KB
44 KB
22%
27 KB
22 KB
17%
21 KB
18 KB
15%
4 KB
3 KB
15%
17 KB
15 KB
15%
2 KB
2 KB
15%
1 KB
1 KB
15%