One of the most important things you can do to improve your Google search index ranking is to improve the load time of your website. What this means is to make sure that the site loads quickly. This is something you want to do not only for Google search. Waiting for a slow site to load is aggravating for everybody and it’s one of the big reasons why people don’t revisit a site; as first impressions matter. Typically, you would want to go ahead and test the performance of your site by running it against some kind of tool to monitor the load time of the page. Pingdom is one of the most commonly used website tools to identify how fast your website loads as well as what may be causing the slowdown. As a rule, the website should load in under 3 seconds and ideally in under one for most cases. In this post I talk about enabling expire headers feature in IIS.
Why do Expire Headers matter?
How to Set Expire Headers
Open IIS and navigate to the site
Click on the option for HTTP Response Headers and Click Set Common Headers on the top right corner
Check the box Expire Web Content and select the radio button After and select the appropriate number of days you want the files to be cached as shown below.
Once completed run the Page speed test again and verify that the speed has improved and the message for expire headers has disappeared.
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