How does Facebook detect if I block javascript on my browser?
35455
How to detect if JavaScript is disabled?
112863
How to detect Safari, Chrome, IE, Firefox and Opera browser?
129422
Rails Browser Detection Methods
71119
Display "Enable JavaScript" message only when JavaScript is disabled
135631
How can I use JavaScript on the client side to detect if the page was encrypted?
95243
redirect to another page if javascript is disabled
147958
What is a RELIABLE way to detect a client's browser and its version number?
128454
Javascript access to spell checker on browsers
126612
How to show a message only if cookies are disabled in browser?
95690
Check if JavaScript is enabled with PHP
98858
Do Google's crawlers interpret Javascript? What if I load a page through AJAX?
114740
Is there a way to detect find on the page searches in javascript
102040
How does iOS know if a web site is restricted?
157649
Detect Safari browser
152616
Do web sites really need to cater for browsers that don't have Javascript enabled?
157782
Blocking access to the Facebook site only, not share and/or like buttons on other pages
57322
Is there an API to force Facebook to scrape a page again?