most common file-types for Apache's mod_expires, which is used for 1 month " # OTHERS ExpiresByType application/pdf "access plus 1. (ico|pdf|flv|jpg|jpeg|png|gif|js|css|swf)$"> Header set Cache-Control If not, you need to install mod_expires in your apache server. If you own. This code should still work on a VPS running Apache. Reply. Ken says . ExpiresByType application/pdf “access plus 1 month”. ExpiresByType.
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Summary. This module controls the setting of the Expires HTTP header and the max-age directive of the Cache-Control HTTP header in server responses. It describes how to use the Apache HTTP Server's caching features to . its own Expires header, mod_expires be used to fine-tune the freshness lifetime by. Make Browsers Cache Static Files With mod_expires On Apache2 (Debian plus 1 month" ExpiresByType application/pdf "access plus 1 month" ExpiresByType.
It took me a long time figuring out the best caching setup for my WordPress sites on Apache servers.
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And I am open to changes in the future when technology changes. Refreshing, in this case, means downloading it again. The rules that tell the browser when to download which files are set in the. Note: messing around in your.
This way, the browser knows when to download a fresh copy of a specific file. When added to the. This way it is faster for return visits. In this example, you can see how to specify different expire times based on file types.
These are already in place on all of our Nginx servers. You can check your headers in Chrome DevTools network panel or simply be re-running your WordPress site through Google PageSpeed Insights again to ensure the warning is now gone.
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Check out our features HTTP caching headers 2. Leverage Browser Caching and Google Analytics The second most common leverage browser caching warning actually comes from Google Analytics. The issue is that they set a low 2 hour cache time on their asset, as seen in the screenshot below.
They most likely do this because if for some reason they were to modify something on there end they want all users to get the changes as fast as possible. However there is a way to get around this, and that is by hosting Google Analytics script on your own server. Please be aware though that this is not supported by Google.
The values above are pretty optimized for most webpages and blogs. Alternate caching method for.
After you are more comfortable with caching, you may want to try Cache-Control, another method of caching which gives us more options. It is also possible the expires method did not work for your server, in that case you may want to try to use Cache-Control.
Cache-Control allows us to have a bit more control of our browser caching and many people find it easier to use once setup. Example use in.
How cache-control works Let's take the above code line by line. It does not do anything except notate what we are doing.The HTTP protocol does allow the cache to serve stale data under certain circumstances, such as when an attempt to freshen the data with an origin server has failed with a 5xx error, or when another request is already in the process of freshening the given entry.
This means the amount of data the user's browser has to download is less, and fewer requests need to be made to your server. Struggling with downtime and WordPress problems? With browser caching turned on, not all of these files will be requested and downloaded again when your visitor clicks on another page on your site that uses the same files, or revisits your site later.
But for many smaller sites and bloggers, you most likely can get rid of that leverage browser caching warning altogether by following the recommendations above.
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