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--- admin_menu:design:settings:start [2014/09/25 16:55]
127.0.0.1 external edit
+++ admin_menu:design:settings:start [2014/12/16 17:27] (current)
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 The settings on this page control different aspects of how the design (templates, images, CSS, JS, etc.) work.  Care should be taken when changing these, if something is done incorrectly it can result in a non-working website.  Be sure to read the explanations for each of the settings below and you understand those explanations before changing the settings.
+====== How these features can help ======
+These features can speed page load for your site by reducing the footprint of css/js code downloaded to operate you site.  Many page analyzers recommend applying such features as mentioned here.  The features here are designed to do the following:
+**Combine js/css files** - This simply moves the contents of multiple files into a single file, to reduce the raw number of HTTP requests a visitor has to make for each page load.
+**Minimize those js/css files** - This further improves things by making that one combined file as small as possible (without actually applying "compression"). This process mostly removes unessential whitespace and replaces variable names with shorter counterparts.
+**Compression of those files** - This is a mathematical, binary-level process used to make text files smaller for transmission. It's akin to "zipping" the files before sending them to the browser, which then "unzips" them on the fly.  That would be used to compress the js/css files further.
+Some or all of these may not work on certain servers. Where they work, they'll generally make things faster, so if you can use all of them, great; however, if any of the options don't work for your particular server configuration, the best answer is generally to not use the ones that don't work.
 ====== Media Location Settings ======
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 If this causes problems, make sure you do NOT have the advanced setting **Use Google Libraries API** enabled.  The 2 settings in effect, cancel each other out because there is no need to use google libraries API if the library is going to be combined with the other JS on the page anyways.  And attempting to do so can cause problems((usually problems with timing out)) on some sites.  As of version 7.3.2 it is not possible to enable these settings at the same time because of this.
+===== Trim repeated whitespace from final HTML output =====
+This option uses the Smarty template engine's "trimwhitespace" output filter to replace multiple blank characters in a row with a single space in the final HTML source sent to a visitor's browser. This very slightly **increases** the amount of time it takes the server to create each page, but the pages themselves may be significantly smaller, which could be advantageous if your site is frequented by mobile users or those on low-bandwidth connections.
+In our testing with the default template set, the HTML source took approximately 50ms longer to generate, but was approximately 25% (roughly 10 KB) smaller. Your results may vary greatly based on your server's hardware and performance factors, as well as the complexity of your templates.
 ===== Use Google Libraries API =====

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