This might sound dumb but I've been using optifine for ages now and a couple months ago I suddenly started getting horrible server lag. For example, when I join a server it takes a couple minutes to load, there's a horrible delay when placing things or right clicking anything, and other players will sit frozen for awhile and then suddenly teleport somewhere( this happens on every server). I tried many things such as re installing minecraft, restarting my computer, changing my settings, after a while I finally took off optifine(1.8) and everything worked fine, apart from super low fps, all of the delays stopped and everything. When I use Optifine 1.7.10 however everything runs fine.If I don't use optifine though I get under 20 fps most of the time.
To sum it up, optifine 1.8 = server lag. No optfine = fps lag but no server lag. Optifine 1.7 and under = no server lag
Please help, I'm honestly so horrible with computers and I'm at a complete loss,
can't tell if it's my computer or optifine or something else.
This might sound dumb but I've been using optifine for ages now and a couple months ago I suddenly started getting horrible server lag. For example, when I join a server it takes a couple minutes to load, there's a horrible delay when placing things or right clicking anything, and other players will sit frozen for awhile and then suddenly teleport somewhere( this happens on every server). I tried many things such as re installing minecraft, restarting my computer, changing my settings, after a while I finally took off optifine(1.8) and everything worked fine, apart from super low fps, all of the delays stopped and everything. When I use Optifine 1.7.10 however everything runs fine.If I don't use optifine though I get under 20 fps most of the time.

To sum it up, optifine 1.8 = server lag. No optfine = fps lag but no server lag. Optifine 1.7 and under = no server lag
Please help, I'm honestly so horrible with computers and I'm at a complete loss,
can't tell if it's my computer or optifine or something else.
What is your computer specs?
CPU / RAM / Graphics ?
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Old Banner!
Nooo clue. I'm using my brothers old pc
Which OS are you using?