I’m working on a client project currently which employs a “Like” button on each of the post pages– but nowhere else on the site. You can see here, Facebook requires 253.2 KB worth of scripts (54% of the entire page!) and adds 2.73 seconds to the page load time (52% of the time).
I’m using the Simple Facebook Connect plugin for the Like button.. so I went into the sfc-base.php file in the plugin’s folder, and tried to find a way to prevent the plugin from loading on non-post pages. After a bit of trial and error, I eventually added a conditional if is_single() to the Facebook script loading function (see line 9 below).
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// load the FB script into the head
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add_action('wp_enqueue_scripts','sfc_featureloader');
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function sfc_featureloader() {
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if (is_single()){
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if ($_SERVER['HTTPS'] == 'on')
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wp_enqueue_script( 'fb-featureloader', 'https://ssl.connect.facebook.com/js/api_lib/v0.4/FeatureLoader.js.php/'.get_locale(), array(), '0.4', false);
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else
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wp_enqueue_script( 'fb-featureloader', 'http://static.ak.connect.facebook.com/js/api_lib/v0.4/FeatureLoader.js.php/'.get_locale(), array(), '0.4', false);
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}
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}
Now the Facebook script only loads on individual posts, and the rest of the site is 3 seconds snappier!
