Page speed optimization. - Support | Kriesi.at

Tagged: enfold, optimization, Page Speed

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August 18, 2016 at 1:34 pm #674165

Magnusin
Participant

I’m quite the noob, so please respond with as simple terms as possible…

I have a website https://modernestudieteknikk.no that I am attempting to optimize in terms of speed.

I have analyzed the site using http://www.gtmetrix.com and there seems to be a consistent low score in the “Defer parsing of Javascripts” tab.

I have done the complete wordpress optimization recommendation in GT-Metrix, and have smushed images, added WP total cache, minifyed scripts and am running everything through cloudflare.

My question is in regards to the JavaScripts that Enfold uses, and how i can optimize this?

I am most interested in the Enfold scripts that seem to be running here:

https://modernestudieteknikk.no/wp-includes/js/jquery/jquery.js?ver=1.12.4 (87.0KiB)
https://modernestudieteknikk.no/wp-content/themes/enfold/js/shortcodes.js?ver=3 (73.9KiB)
https://modernestudieteknikk.no/wp-content/themes/enfold/js/avia.js?ver=3 (73.7KiB)
https://modernestudieteknikk.no/wp-includes/js/mediaelement/mediaelement-and-player.min.js?ver=2.18.1-a (63.5KiB)
https://modernestudieteknikk.no/wp-content/themes/enfold/js/aviapopup/jquery.magnific-popup.min.js?ver=2 (17.6KiB)
https://modernestudieteknikk.no/wp-includes/js/jquery/jquery-migrate.min.js?ver=1.4.1 (7.7KiB)
https://modernestudieteknikk.no/ (3.7KiB of inline JavaScript)
https://m.modernestudieteknikk.no/hjemmeside-embed-optinbox (2.8KiB of inline JavaScript)
https://modernestudieteknikk.no/wp-includes/js/wp-embed.min.js?ver=4.5.3 (1.2KiB)
https://modernestudieteknikk.no/wp-content/themes/enfold/js/avia-compat.js?ver=2 (1.1KiB)
https://modernestudieteknikk.no/wp-includes/js/mediaelement/wp-mediaelement.min.js?ver=4.5.3 (659B)

How can I optimize my speed by “Defering the parsing of these javascripts”?

Thanks

August 21, 2016 at 7:30 pm #675398
Josue
Inactive Moderator
Hey!

Try adding this at the very end of your theme / child theme functions.php file:
```
add_filter('clean_url','async_js',11);
function async_js($url) {
      if ( false !== strpos( $url, 'jquery.js' ) || false === strpos( $url, '.js' )) {
          return $url;
      }
      return "$url' defer='defer";        
} 
```
Cheers!
Josue
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