It's useful to know whether a site is blocked in a place, and how it's blocked.
The new Network Error Logging standard is implemented by Chrome can help with that. It's effectively a way for the browser to report errors when connecting to your site.
I know of a couple of services running report collectors:
If you want to run your own collector, there's an open source version, but you would have to run it on separate infrastructure that is not blocked.
It's useful to know whether a site is blocked in a place, and how it's blocked.
The new Network Error Logging standard is implemented by Chrome can help with that. It's effectively a way for the browser to report errors when connecting to your site.
I know of a couple of services running report collectors:
If you want to run your own collector, there's an open source version, but you would have to run it on separate infrastructure that is not blocked.