As a regular close vote review tasks handler I'm pretty used to the user experience, including the performance of load times of the next review task.
When reviewing close votes I'm always filtered on c# and off-topic. I primarily use IE11 as my browser on WIN7.
The last week or so I notice that loading the next review tasks takes a considerable amount of time up to 20 seconds. I do notice that in that case I get a review for a question that is 5 months old.
Can this be investigated or explained and maybe tuned?