“Thanks for your input. You’re like CR’s Queen of Lashon Hara Rulings :)”
We have to always be very careful about LH. But online, we have to be SUPER-careful. Any word of LH online is immediately accessible to thousands of people AND it stays there forever for everyone in the world to read. It’s pretty scary!
There are few things for which one can chas v’shalom lose his cheilik in Olam Haba permanently. One of them is being a “baal loshon Hora”. I heard that someone who posts L”H is in this category.