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Czech Telecommunication Office
Visualization portal
Comparison Tool
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CTU-NetTest
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Legend to individual test parameters and of other terms
What download speed means?
What upload speed means?
What ping means?
How will I recognise that my measured result is wrong?
What individual colour interpretations relate to which threshold values?
What certified tool means?
What certified measurement means?
What demarcation points mean?
Legend related to mobile app
How do I perform a certified measurement in the Android mobile app?