How to check if a script or css file was served from browser cache or from the remote server
98123
How can I use JavaScript to detect if I am on a cached page
69333
How to open Google Cached version of a URL
135631
How can I use JavaScript on the client side to detect if the page was encrypted?
153789
How to determine if a PHP file is loaded via cron/command line
145802
Any standard mechanism for detecting if a JavaScript is executing as a WebWorker?
2645
Automatically refreshing a browser when a particular file in a directory changes?
153743
Retrieving HTTP status code from loaded iframe with Javascript
50712
C# Check Remote Server
32408
How can I identify what application is using a given file?
108784
Fast way to check if a server is accessible over the network in C#
22875
Can I read the hash portion of the URL on my server-side application (PHP, Ruby, Python, etc.)?
64471
How to determine if .NET code is running in an ASP.NET process?
9887
How can I check if a background image is loaded?
7072
How can I force clients to refresh JavaScript files?
132506
Get a stack trace of a running or hung PHP script
86921
How do I check if a package is installed on my server?
124775
Determine in php script if connected to internet?