When I save a file with an .htm or .html extension, which one is correct and what is different?

What is the difference between the .htm and .html file extensions? Why there are two of them? Which is correct?

Jul 20, 2009 · I've read about the app_offline.htm file which can be placed within the root of a .NET 2.0 application which will in essence shut down the application and disable any other pages from being …

Nov 15, 2020 · I created the file as index.html in VS Code, then went to my file explorer and selected to open in Google Chrome. I originally opened it in Fire Fox, but that browser doesn't load well on my …

Apr 20, 2010 · The Web was originally designed by UNIX-centric people, for whom long filenames with arbitrarily long extensions were the norm. MS-DOS and early versions of windows were limited to 8.3 …

May 17, 2010 · Therefore the (ugly) system generated copy of app_offline.htm might be served to requests within a 1-2 second window of initiating the publish, before being updated with your custom …

37 Since time immemorial, most web browsers have been able to open a local file if you ran the web-browser executable, for example just execute iexplore.exe file:/c:/temp/file or via the IShellDocView …

Jan 1, 2017 · 21 I am trying to open an HTML file with a specific destination anchor from a batch file like so: start iexplore %~dps0nl752.htm#01 exit nl753.htm is on the local drive. How can I get Windows …

The first file is loaded by a client application, the reason I'm using file:// is I'm experimenting with some security stuff and seeing if its possible for the first file to use file://.

Dec 21, 2010 · The ASP.Net runtime environment checks the root of the application on the server for an “app_offline.htm” file and if it exists then it stops processing the new requests for the application and …