modernearth.net
April 14, 2026

You could reduce your image size by 50% (47 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://modernearth.net/wp/wp-content/uploads/2021/06/nasa_iss-resupply-with-moon-above-earth-horizon.jpg
28 KB
11 KB
60%
https://modernearth.net/wp/wp-content/uploads/2024/07/earth-aurora-from-iss.jpg
47 KB
20 KB
56%
https://www.gstatic.com/recaptcha/api2/logo_48.png
2 KB
1 KB
40%
https://www.gstatic.com/recaptcha/api2/audio_2x.png
530 bytes
391 bytes
26%
https://www.gstatic.com/recaptcha/api2/refresh_2x.png
600 bytes
443 bytes
26%
https://modernearth.net/wp/wp-content/uploads/2021/10/winnipeg-chamber.svg
15 KB
12 KB
17%