The root cause is hammering the site(s) with lots of traffic in a short period of time.
Reloading the tabs looks like an attack.
One solution might be to close tabs when you're done with them. (Althought I've been surprised to find that some people routinely keep many many many tabs open virtually forever)
Reloading the tabs looks like an attack.
One solution might be to close tabs when you're done with them. (Althought I've been surprised to find that some people routinely keep many many many tabs open virtually forever)