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Q&A How to find the plaintext cache for a comment that was deleted in a webapp?

I posted a long comment on GitHub via Firefox on desktop. The next day I visited that page via GitHub Mobile, I saw that somehow it was duplicated. Thinking it was an issue with my network, I delet...

0 answers  ·  posted 2mo ago by Ooker‭  ·  edited 2mo ago by Ooker‭

Question firefox webapps cache
#4: Post edited by user avatar Ooker‭ · 2026-07-29T15:30:52Z (about 2 months ago)
  • I posted a long comment on GitHub via Firefox on desktop. The next day I visited that page via GitHub Mobile, I saw that somehow it was duplicated. Thinking it was an issue with my network, I deleted one. Oops, both were deleted.
  • I later visited the page view Firefox desktop, and see that comment again for a second before it was gone. So apparently Firefox saved its cache before checking the GitHub server. Is there a way to get that cache? I visit `about:cache?storage=disk` and search for the issue number. There are several results, but the content seems like only in hex.
  • I posted a long comment on GitHub via Firefox on desktop. The next day I visited that page via GitHub Mobile, I saw that somehow it was duplicated. Thinking it was an issue with my network, I deleted one. Oops, both were deleted.
  • I later visited the page via Firefox desktop, and saw that comment again for a second before it was gone. So apparently Firefox saved its cache before checking the GitHub server. Is there a way to get that cache? I visit `about:cache?storage=disk` and search for the issue number. There are several results, but the content seems like only in hex.
#3: Post edited by user avatar Ooker‭ · 2026-07-29T15:28:52Z (about 2 months ago)
  • I posted a long comment on GitHub via Firefox on desktop. The next day I visited that page via GitHub Mobile, say that somehow it was duplicated. Thinking it was an issue with my network, I deleted one. Oops, both were deleted.
  • I later visited the page view Firefox desktop, and see that comment again for a second before it was gone. So apparently Firefox saved its cache before checking with GitHub server. Is there a way to get that cache? I visit `about:cache?storage=disk` and search for the issue number. There are several results, but the content seems like only in hex.
  • I posted a long comment on GitHub via Firefox on desktop. The next day I visited that page via GitHub Mobile, I saw that somehow it was duplicated. Thinking it was an issue with my network, I deleted one. Oops, both were deleted.
  • I later visited the page view Firefox desktop, and see that comment again for a second before it was gone. So apparently Firefox saved its cache before checking the GitHub server. Is there a way to get that cache? I visit `about:cache?storage=disk` and search for the issue number. There are several results, but the content seems like only in hex.
#2: Post edited by user avatar Ooker‭ · 2026-07-29T15:27:37Z (about 2 months ago)
  • How to find the plaintext cache for a comment in a webapp that is deleted?
  • How to find the plaintext cache for a comment that was deleted in a webapp?
#1: Initial revision by user avatar Ooker‭ · 2026-07-29T07:52:46Z (about 2 months ago)
How to find the plaintext cache for a comment in a webapp that is deleted?
I posted a long comment on GitHub via Firefox on desktop. The next day I visited that page via GitHub Mobile, say that somehow it was duplicated. Thinking it was an issue with my network, I deleted one. Oops, both were deleted.

I later visited the page view Firefox desktop, and see that comment again for a second before it was gone. So apparently Firefox saved its cache before checking with GitHub server. Is there a way to get that cache? I visit `about:cache?storage=disk` and search for the issue number. There are several results, but the content seems like only in hex.