structuredAttrs is enabled

trying https://addons.mozilla.org/firefox/downloads/file/4754807/tetrio_plus-0.28.0.xpi
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed

  0      0   0      0   0      0      0      0                              0
 26  2.33M  26 636.1k   0      0 537.8k      0   00:04   00:01   00:03 547.2k
 40  2.33M  40 972.1k   0      0 444.2k      0   00:05   00:02   00:03 448.4k
100  2.33M 100  2.33M   0      0 817.9k      0   00:02   00:02         448.4k
100  2.33M 100  2.33M   0      0 817.9k      0   00:02   00:02         448.4k
100  2.33M 100  2.33M   0      0 817.9k      0   00:02   00:02         448.4k