ypps.yale.edu April 14, 2026
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
4 KB
279 bytes
93%
44 KB
4 KB
91%
39 KB
4 KB
90%
44 KB
5 KB
89%
43 KB
5 KB
89%
50 KB
6 KB
89%
55 KB
7 KB
88%
62 KB
8 KB
88%
47 KB
7 KB
86%
9 KB
1 KB
85%
241 KB
43 KB
82%
8 KB
1 KB
82%
13 KB
3 KB
80%
22 KB
6 KB
74%
2 KB
624 bytes
70%
2 KB
638 bytes
69%
5 KB
2 KB
63%
133 KB
63 KB
53%
238 KB
113 KB
52%
22 KB
11 KB
52%
1 KB
632 bytes
52%