Site loading slowly

Hello. I am having a few problems regarding my website loading speed.
Before I go into the problems, here is my website

I have quite a few plugins, w3 total cache and some other optimization tools, however, I still get a lot of errors on pingdom and gtmetrics. Here are some things I need help with, but don’t know how to optimize. Any help would be greatly appreciated.

  1. Parallelize downloads across hostnames (I installed Parallelize downloads but don’t know how to use it)

    This page makes 32 parallelizable requests to hsa.hr. Increase download parallelization by distributing these requests across multiple hostnames:
    https://hsa.hr/wp-content/cache/minify/176a2.js
    https://hsa.hr/wp-content/cache/minify/85731.css
    https://hsa.hr/wp-content/cache/minify/c7035.js
    https://hsa.hr/wp-content/plugins/revslider/admin/assets/images/dummy.png
    https://hsa.hr/wp-content/plugins/revslider/pub … evolution.extension.actions.min.js?version=5.4.8
    https://hsa.hr/wp-content/plugins/revslider/pub … on.extension.layeranimation.min.js?version=5.4.8
    https://hsa.hr/wp-content/plugins/revslider/pub … lution.extension.navigation.min.js?version=5.4.8
    https://hsa.hr/wp-content/plugins/revslider/pub … volution.extension.parallax.min.js?version=5.4.8
    https://hsa.hr/wp-content/plugins/revslider/pub … lution.extension.slideanims.min.js?version=5.4.8
    https://hsa.hr/wp-content/uploads/2018/07/002-process.png
    https://hsa.hr/wp-content/uploads/2018/07/005-idea-4.png
    https://hsa.hr/wp-content/uploads/2018/07/007-problem.png
    https://hsa.hr/wp-content/uploads/2018/07/010-conversation.png
    https://hsa.hr/wp-content/uploads/2018/07/012-mortarboard.png
    https://hsa.hr/wp-content/uploads/2018/07/013-leadership-1.png
    https://hsa.hr/wp-content/uploads/2018/07/HSAlogo.png
    https://hsa.hr/wp-content/uploads/2018/07/adult-application-asian-733856.jpg
    https://hsa.hr/wp-content/uploads/2018/07/advertising-512.png
    https://hsa.hr/wp-content/uploads/2018/07/blackboard-business-chalkboard-355988.jpg
    https://hsa.hr/wp-content/uploads/2018/07/bullish-512.png
    https://hsa.hr/wp-content/uploads/2018/07/businessman-512.png
    https://hsa.hr/wp-content/uploads/2018/07/globe-512.png
    https://hsa.hr/wp-content/uploads/2018/07/puzzle-512.png
    https://hsa.hr/wp-content/uploads/2018/07/reading-512.png
    https://hsa.hr/wp-content/uploads/2018/07/rsz_21brand-1.png
    https://hsa.hr/wp-content/uploads/2018/07/rsz_degordianlogo-1024x693.png
    https://hsa.hr/wp-content/uploads/2018/07/rsz_nanobit_image1.png
    https://hsa.hr/wp-content/uploads/2018/07/rsz_pbz-logo-720x560px-1.png
    https://hsa.hr/wp-content/uploads/2018/07/rsz_uber-logo.png
    https://hsa.hr/wp-content/uploads/2018/07/rsz_untitled.png
    https://hsa.hr/wp-content/uploads/2018/07/rsz_zagrebacka_banka.png
    https://hsa.hr/wp-content/uploads/2018/07/ucenje_zel_tpl.png

  2. Minimize redirects (How do I remove the redirect chains? I installed Better Search and Replace but don’t know how to use it)

    Remove the following redirect chain if possible:
    http://hsa.hr/wp-content/uploads/2018/07/002-process.png
    https://hsa.hr/wp-content/uploads/2018/07/002-process.png

    Remove the following redirect chain if possible:
    http://hsa.hr/wp-content/uploads/2018/07/005-idea-4.png
    https://hsa.hr/wp-content/uploads/2018/07/005-idea-4.png

    Remove the following redirect chain if possible:
    http://hsa.hr/wp-content/uploads/2018/07/007-problem.png
    https://hsa.hr/wp-content/uploads/2018/07/007-problem.png

    Remove the following redirect chain if possible:
    http://hsa.hr/wp-content/uploads/2018/07/010-conversation.png
    https://hsa.hr/wp-content/uploads/2018/07/010-conversation.png

    Remove the following redirect chain if possible:
    http://hsa.hr/wp-content/uploads/2018/07/012-mortarboard.png
    https://hsa.hr/wp-content/uploads/2018/07/012-mortarboard.png

    Remove the following redirect chain if possible:
    http://hsa.hr/wp-content/uploads/2018/07/013-leadership-1.png
    https://hsa.hr/wp-content/uploads/2018/07/013-leadership-1.png

    Remove the following redirect chain if possible:
    http://hsa.hr/wp-content/uploads/2018/07/advertising-512.png
    https://hsa.hr/wp-content/uploads/2018/07/advertising-512.png

    Remove the following redirect chain if possible:
    http://hsa.hr/wp-content/uploads/2018/07/blackboard-business-chalkboard-355988.jpg
    https://hsa.hr/wp-content/uploads/2018/07/blackboard-business-chalkboard-355988.jpg

    Remove the following redirect chain if possible:
    http://hsa.hr/wp-content/uploads/2018/07/bullish-512.png
    https://hsa.hr/wp-content/uploads/2018/07/bullish-512.png

    Remove the following redirect chain if possible:
    http://hsa.hr/wp-content/uploads/2018/07/businessman-512.png
    https://hsa.hr/wp-content/uploads/2018/07/businessman-512.png

    Remove the following redirect chain if possible:
    http://hsa.hr/wp-content/uploads/2018/07/globe-512.png
    https://hsa.hr/wp-content/uploads/2018/07/globe-512.png

    Remove the following redirect chain if possible:
    http://hsa.hr/wp-content/uploads/2018/07/puzzle-512.png
    https://hsa.hr/wp-content/uploads/2018/07/puzzle-512.png

    Remove the following redirect chain if possible:
    http://hsa.hr/wp-content/uploads/2018/07/reading-512.png
    https://hsa.hr/wp-content/uploads/2018/07/reading-512.png

    Remove the following redirect chain if possible:
    http://hsa.hr/wp-content/uploads/2018/07/ucenje_zel_tpl.png
    https://hsa.hr/wp-content/uploads/2018/07/ucenje_zel_tpl.png

  3. Combine external JavaScript (Shouldn’t this have been solved by my optimization plugins like Autoptimize and W3 Total cache?)

    There are 8 JavaScript files served from hsa.hr. They should be combined into as few files as possible.
    https://hsa.hr/?wc-ajax=get_refreshed_fragments
    https://hsa.hr/wp-content/cache/minify/176a2.js
    https://hsa.hr/wp-content/cache/minify/c7035.js
    https://hsa.hr/wp-content/plugins/revslider/pub … evolution.extension.actions.min.js?version=5.4.8
    https://hsa.hr/wp-content/plugins/revslider/pub … on.extension.layeranimation.min.js?version=5.4.8
    https://hsa.hr/wp-content/plugins/revslider/pub … lution.extension.navigation.min.js?version=5.4.8
    https://hsa.hr/wp-content/plugins/revslider/pub … volution.extension.parallax.min.js?version=5.4.8
    https://hsa.hr/wp-content/plugins/revslider/pub … lution.extension.slideanims.min.js?version=5.4.8
    There are 2 JavaScript files served from connect.facebook.net. They should be combined into as few files as possible.
    https://connect.facebook.net/en_US/fbevents.js
    https://connect.facebook.net/signals/config/2203851686526122?v=2.8.25&r=stable
    There are 2 JavaScript files served from stats.wp.com. They should be combined into as few files as possible.
    https://stats.wp.com/e-201834.js
    https://stats.wp.com/s-201834.js

  4. Avoid landing page redirects
    Avoid landing page redirects for the following chain of redirected URLs.

    http://www.hsa.hr/
    https://www.hsa.hr/
    https://hsa.hr/

Any help regarding any one of the particular problems/optimizations would be greatly appreciated.

Hey Aleksandar,

Regretfully, we do not have website optimization support. You should consult with a third party web developer for this.

What we could do as support is point you to our general Performance guide which you can read at https://theme.co/apex/forum/t/customizations-performance/210

And, I could share a brief suggestion to help you get started. Please do not take this as part of our support service. We could not help you further with this as this would be quite involved.

For #1. You should use a CDN.
For #2 and #4. Redirect the http version of your site to https.
For #3. You need to enable this in your optimization plugin. Contact the plugin developer.

Hope that points you to the right direction and thank you for understanding.

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