: Your browser might be showing a "cached" (stored) version of the page from a few minutes ago. A Hard Refresh ( Ctrl + F5 or Cmd + Shift + R ) often forces the counter to update.
: On many Polish platforms (like Wykop or older Allegro interfaces), certain messages are diverted to a "Spam" or "Other" folder that doesn't trigger the primary unread counter. WiadomoЕ›ci: (0)
Sometimes you expect a message, but the counter remains at zero. This can happen due to: : Your browser might be showing a "cached"
If you know you have a new message but the counter stays at (0): WiadomoЕ›ci: (0)