(In reply to Niklas Hambüchen from comment #65)
> I have already tested that.
>
> * Only throbber: ~15-20% CPU usage
> * Only progress bar: ~15-20% CPU usage
> * Both throbber and progress bar: ~15-20% CPU usage
> * Both disabled: no CPU usage
Strange that both together use the same CPU like when only one is active.
Please could you try
```
.tab-throbber[busy] {
list-style-image: none !important;
}
```
Then I can see if the animated PNG is the cause of the CPU usage.
(In reply to Niklas Hambüchen from comment #65)
> I have already tested that.
>
> * Only throbber: ~15-20% CPU usage
> * Only progress bar: ~15-20% CPU usage
> * Both throbber and progress bar: ~15-20% CPU usage
> * Both disabled: no CPU usage
Strange that both together use the same CPU like when only one is active.
Please could you try
```
.tab-throbber[busy] {
list-style-image: none !important;
}
```
Then I can see if the animated PNG is the cause of the CPU usage.