Computer Nerd Kev <not@telling.you.invalid> wrote:
>
> I've got a whole heap of about:config customisations. So it will
> take hours to go over and check to see which, if any, of those is
> the problem. So I'm hoping that someone else has run into similar
> trouble (either on Ebay, or another website with a Javascript-based
> image uploader) and can suggest something.

Apparantly not.

But today I gave in and searched through the settings myself and it
actually only took half an hour, even though I started at the
bottom of the list and the culprit turned out to be almost at the
top.

The about:config setting preventing the "list it" and "save for
later" buttons from working on Ebay's item listing page after
images have been uploaded is:

beacon.enabled = false

Looking into it, this functionality mainly seems to be a sneeky way
to make it easy for websites to send tracking data to analytics
servers, by contacting them when a link is clicked as well as the
server that actually loads the next page. But Ebay seem to have
used it for regular link handling for some reason.

https://w3c.github.io/beacon/
https://lapcatsoftware.com/articles/Safari-link-tracking4.html

Annoyingly it's exactly the sort of thing that I do want to block,
so I'll keep it set and now I'll have to go into about:config and
disable it manually whenever I list items on Ebay.

Is there an add-on that will automatically change a custom
about:config setting for just one website?

> Firefox version is 102.9.0esr, running on Linux.

Now 102.11.0esr, but I sure do wish that I could ditch it and just
use a sensible HTML-only browser like Dillo or Links for
everything instead of needing to constantly fight this BS.

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