this post was submitted on 01 Oct 2023
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The post you've linked to (referring to the problem being 'wacky local caching') explains some of it.
For example, that "TRUST ME. That TV? It's Safe" post - the thumbnail is broke for me on feddit.nl, but it points to a valid image (it expands to a full one, and 'Open Image in New Tab' will display the thumbnail version.
If, however, I view the community through Private Browsing (aka Incognito Mode), the thumbnail displays correctly.
Image to illustrate:
When I click that same post to open in a new tab, this is what shows up for me. When I try to expand the thumbnail there is also nothing. This is on Brave browser, Brave shields are down.
Oh, well, it might be about the issue that the OP makes in a comment on that post.
For me, the URL of that image is https://startrek.website/pictrs/image/ffcc19ac-fb10-4c66-893e-87840bfc62f8.jpeg, which is different from the one in your screenshot.
Viewing https://feddit.nl/c/risa@startrek.website in Private fixed the thumbnail for me in Normal view, so it suggests it's a caching issue. Perhaps try to purge your browser's memory of the community, and see if then comes up with the correct URL.
I hope I don't clog up the thread with a bunch of images, but I tried what you suggested. The issue seems to be with Brave browser.
A lot of images
First I tried incognito mode on Brave with shields down. This is what Risa looks like:I try to expand the thumbnail of post nr 2 by clicking on the thumbnail and nothing happens:
I click on the title to open the post, and click again on the thumbnail to expand it:
I click on the post title again so it opens the link to the image in a new tab, and it works!
Now I try the same in normal mode, so not in incognito. Again, Brave shields are down. First I clear all browsing history like you suggested. Risa:
Opening the same post, click on thumbnail to expand it:
Click on post title to open it in new tab, no image but the same url as in incognito mode:
I tried some different things, and it seems the issue lies with Brave. On Firefox it works, as long as you disable uBlock origin. So I could use a different browser and solve the issue, but I assume there's other people using Brave that want to view the images so I hope this gets solved eventually! Edit to add: I only have this issue with communities from startrek.website, the little icons next to community names or usernames are broken as well. I can easily find Risa in my list of subbed communities because the little icon is broken.
Wow, yeah. I just viewed Risa from Brave and it's a wasteland of broken images.
Here's how I fixed it though: Brave=>Clear Browsing Data=>Tick 'Cached Images and Files'=>Click 'Clear Data'. Once I did that, everything loaded normally.
You seem focused on the idea that it's to do with adblocking or shields, and it's not - it's related to caching.
If you expand the images in the spoiler you can see screenshots of me trying your suggesting about the cache. I cleared the browsing history (all of it, not just cached images and files) and it still doesn't work, and tried incognito mode like you did, and it worked a bit because I could at least see the image if I opened it in a new tab. I'm adding the info about adblocker on/off because that's the only 'fix' provided by the admins on Mastodon and in the FAQ. Since that's the first thing I tried to disable, it's obviously not that hence me coming here to ask for help. I'm trying to be as complete in my info as possible so the person who has to solve it hopefully has the information they need :) and as I'm not that much of a computer person, I don't know what information is most important to share.
Sorry - I said 'you seem focused', when I should have said something to include the other replies in this thread - I just meant there's a lot of stuff here about adblockers, when you've established for yourself that it's not that, and it's drowning out the actual answer.
I did expand your spoiler tag - I read that you'd cleared 'Browsing History', but that's a different checkbox than 'Cached images and files', so I didn't know if you'd already done that.
Ultimately, this problem is why instances are usually quite 'grabby' when it comes to images that federate across - they tend to make a copy and host it themselves. For whatever reason, feddit.nl isn't doing that for images on here, and startrek.website isn't always quick enough to provide it when a page is loaded, so the local cache ends up with a broken image. So clearing the cache and reloading the page will often fix it, but it's not a 100% solution, and the results will differ by user. I would suggest that the real solution is for startrek.website to upgrade their server, or for its members to host images on a site that is dedicated to serving them.
EDIT: another solution would be to leave feddit.nl, and join startrek.website (depends where you priorities lie, of course)
Ah sorry, I tried to be as complete as possible but I forgot to include a screenshot of what I actually deleted! I cleared browsing history, cookies and other site data, cached images and files, and set the time range to 'all time' to hopefully nuke everything. It still looks just as messed up sadly... I was going to ditch Brave after the adblocking stops working, but I'll just switch back to Firefox now I think. I've noticed Brave has issues with other websites as well, like loading the page but not loading the scrollbar. Your explanation helps me understand the problem a bit better though, thanks!