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  4. Images, CSS and Javascript on subdomain or external website

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Images, CSS and Javascript on subdomain or external website

Technical SEO
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  • Happy-SEO
    Happy-SEO last edited by Feb 25, 2016, 10:41 AM

    Hi guy's,

    I came across webshops that put images, CSS and Javascript on different websites or subdomains. Does this boost SEO results? On our Wordpress webshop all the sourcescodes are placed after our own domainname:

    www.ourdomainname.com/wp-includes/js/jquery/jquery.js?ver=1.11.3'
    www.ourdomainname.com/wp-content/uploads/2015/09/example.jpg

    Examples of other website:

    Website 1:
    https://www.zalando.nl/heren-home/

    Sourcecode:
    https://secure-i3.ztat.net//camp/03/d5/1a0168ac81f2ffb010803d108221.jpg
    https://secure-media.ztat.net/media/cms/adproduct/ad-product.min.css?_=1447764579000

    Website 2:
    https://www.bol.com/nl/index.html

    Sourcecode:
    https://s.s-bol.com/nl/static/css/main/webselfservice.1358897755.css
    //s.s-bol.com/nl/upload/images/logos/bol-logo-500500.jpg

    Website 3: 
    http://www.wehkamp.nl/

    Sourcecode:
    https://static.wehkamp.nl/assets/styles/themes/wehkamp.color.min.css?v=f47bf1
    http://assets.wehkamp.com/i/wehkamp/350-450-layer-SDD-wk51-v3.jpg

    1 Reply Last reply Reply Quote 0
    • JordanLowry
      JordanLowry last edited by Feb 25, 2016, 12:32 PM Feb 25, 2016, 12:32 PM

      The only major improvement I can think of hosting images externally would be improving the overall speed of your website. If you run a pagespeed test with Google's free tool and notice your site is rendering slow then I would first consider reducing the number of javascript and css files being loaded. You will run into issues if your site is loading too many external files you can expect to see increases in bounce rates and poor engagement metrics. This may have changed but Moz did an expierement awhile back on if website speed impacts search ranking however if certain pages are taking too long to load they probably

      This may have changed but Moz did an experiment awhile back on if website speed impacts search ranking. Even if speed does not directly impact rankings if certain pages are taking too long to load they probably won't be indexed.

      What I would do is run Google's page speed tool on a few pages and if you have Google analytics on your site you can get some insights by looking at Behavior-> Site Speed-> Speed Suggestions and check out some of the recommendations Google is making about your site.If you have a problem with

      If you find out that you have a problem with speed I came across a good article on some tips and suggestions that may be helpful for you about reducing http request.

      I hope this helps some.

      1 Reply Last reply Reply Quote 0
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