Why does distrowatch keep going down every now and then?

Who watches the distrowatchmen?

It's blinking

any idea why distrowatch periodically goes down for days before returning.

My guess is it's run as a hobby by A Guy "on his own time and his own dime".

I mainly use it to find out if some distros have updates to their ISOs but I find it very annoying that quite frequently it’s down completely.

You might follow the RSS feed. Your feedreader would catch new posts whenever they are available.

It's just folks at microsoft are trying not to let people switch by ddosing the website. Nothing out of ordinary

It can't handle the traffic.

It's a feature