On Quotev:
1.You can instantly see if someone's on,
2.You get your notifications immediately,
3. You don't get a comment timer,
4. You can see how long ago someone commented/replied to you.
On Imgflip:
1. You don't know if someone's on or not,
2. You have to refresh the page to get notifications,
3. There's the most annoying comment timer EVER.
4. You don't know when someone commented/replied to you.