LightSpeed
Interactive visualizer of time dilation from walking speed to the speed of
1 ratings4.15
Saves1
CategoryEducation
PlatformWeb
PricingFree
LightSpeed is an interactive web-based application that lets users explore speeds ranging from walking to the speed of light, illustrating how Einstein's relativity affects time passage for a traveler compared to Earth. It features 24 speed stages, providing educational facts and real-time visual simulation of time dilation effects, without tracking or analytics.
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Information
CategoryEducation
PlatformsWeb
PricingFree
AccountNot confirmed
ListedSeptember 2026
WebVisit
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Mobile PageSpeed
Automated checks of the public website by Google Lighthouse 13.5.0. Scores can vary between runs.
Checked Oct 25, 2026
Test this website on PageSpeedWebsite checks refresh automatically each week.
- Performance
- 88 out of 100, Needs improvement
- Accessibility
- 100 out of 100, Good
- Best Practices
- 100 out of 100, Good
- SEO
- 100 out of 100, Good
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