penpublishing.com
December 6, 2025

You could reduce your image size by 65% (245 KB), saving seconds of total load time.

Based on < internet speed. Download speed baselines from Chrome DevTools. Actual time may vary.
Start Over

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://www.penpublishing.com/30yearslogo-03.png
134 KB
30 KB
77%
https://www.penpublishing.com/Images/Search.png
622 bytes
231 bytes
63%
https://www.penpublishing.com/HomeBannerOne.jpg
218 KB
86 KB
60%
https://www.penpublishing.com/Pen-Publishing-MobileLogo.png
4 KB
2 KB
53%
https://www.penpublishing.com/PPI-MSFT-CloudPartnerBlkSquare-125px.gif
2 KB
918 bytes
50%
https://www.penpublishing.com/WIBA_memberbadge_online-01.png
8 KB
5 KB
37%
https://www.penpublishing.com/Pen-Publishing-Logo_2.png
12 KB
9 KB
26%