New answers tagged testing
Perhaps the Google mobile friendly test is of use to your study. You can input a URL and the tool tests a variety of responsive parameters. The test also says which parameters have been tested and which have been found not responsive. https://www.google.com/webmasters/tools/mobile-friendly/
I'm not sure what your question is aimig at – and your question is also rather broad – Responsive Design is a wide field. You may also consider asking over at http://ux.stackexchange.com – I have the feeling you might get more suitable answers than here. That said I'll try to answer: if you just want to check for 'responsiveness' (yes/no) then media ...
Here's a few to try: Google's page-speed insights webpagetest.org pingdom.com try.powermapper.com Also, you want to make sure your server is in good working order and not hacked. Hacked servers can cause unpredictable results regardless of the testing website you use.
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