Using <meta http-equiv=“X-UA-Compatible” content=“IE=8” /> mode in sites good practice?

Question

I\'ve recently discovered the joys of adding the following into the header of sites:

Answer 1

Another thing to be aware of is that the tag examples microsoft have provided don't always work. read defining document compatibility, especially the community additions at the bottom of the page.

As far as best practice goes, they are probably not the best long term solution but came in very handy when IE9 was released and sites went down.