У вашего броузера проблема в совместимости с HTML5
In this video, I attempt to answer a few viewer's questions.
Old video explaining the transients I apply:
https://www.youtube.com/watch?v=PJTJJodEuyA&index=3&list=PLZSS2ajxhiQBI0El63arJXQwrvsvaRaDT
The data for the meters I have tested may be found here: https://docs.google.com/spreadsheets/d/1cXzYpIoyVm9QJUju4KXqM22CEQZP3_xwWvDyeVwxTy4/edit?usp=sharing
Answers to Frequently Asked Questions may be found here: https://docs.google.com/document/d/1gEPFeOZpsNSm0-7sA98w2P5XE5x77Oal9dQEYvQnF6g/edit?usp=sharing