Hi, and thanks for the quick answer.

On 21 April 2025 at 20:31 +02, Gerd Möllmann 
<gerd.moellmann@gmail.com> wrote:
> Please try if this helps:
>
> [2. text/x-patch; xxx.diff]...

Sorry, the patch does not solve the issue.

I attach a profiler output, and a HTML file which causes a similar
slowdown when opening from eww.

Thanks,
Iñigo Serna