Tags were used to set up Fabicon on web pages. I used the method suggested by Stackoverflow. In the middle of the source, it was called 'favicon.ico?v=2'.
Here?What does 'v=2' mean?
html5
The URL is called query or query string after the path.
You can understand it as an argument delivered to the server.
http://google.co.kr/some?mn=1001
The above meaning is that it passes an argument with the name mn and the value 1001 while requesting http://google.co.kr/some.
Sometimes you use this query string to disable caching, even though it means nothing, or to update static resources whose content has changed only.
What's the question?I think v=2 is for this purpose.
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