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I need help in optimizing my web performance. Attached is the result of site speed.

Sanjay
You need to reduce the page size. It is 10MB+.

Also, TTFB is 15 secs+. you need to profile your site and see where the delay is.

These will bring down the load time to under 10 secs or so - to begin with.
First of all, you have mixed content on your site which means that on those pages, you will NOT serve https pages, which in turn means that those pages miss out on the speed benefits that https offers.

Secondly, I see that your page is 1.4 MB.
https://gtmetrix.com/reports/worldbusine...m/Y0OcV0Yb

You need to work on the following.
1) Fix SSL. Luckily for you this is an easy fix, add this to your headers.
Code:
<meta http-equiv="Content-Security-Policy" content="upgrade-insecure-requests" />
2) Fix browser caching
3) Work on fixing Defer parsing of JavaScript (move as many JavaScript files to the footer as you can.
4) Serve Scaled Images
5) Minify your JS & CSS
6) I suggest using the addon WP Total Cache to do the bulk of the work.
I did some quick glance on your website - I don't feel like it would be fair to give you to criticize you a lot without giving any suggestions, but you do need to do something with the images and script in the first place. As was recommended above you could move vast of the scripts down into the footer, but I don't think of it as the practice well enough - make them asynchronous first of all. And most of your images are too large as well as minify CSS
Well... If you fix your HTML component, the following link shows you'll have <5sec page load time.

http://www.webpagetest.org/result/180624...3cd04887e/

The 18.5 seconds for your HTML component relates to hosting (LAMP tuning) + WordPress caching.

I just looked at one of my... sigh... very ugly WordPress sites which contains a massively bloated list of plugins with massive database i/o thrash.

This site's HTML component produces first time load of 250ms for DNS + 200ms for HTML component, so subsequent site visits load HTML in roughly 200ms.

This is typical of a well tuned WordPress site.

And now, the bad news.

You'll likely have to change hosting + go through some serious site tuning to produce consistent high site speed.

Who you contact to do this work, will depend on your site cashflow, as Server Savants tend to be expensive + fast/stable WordPress hosting tends to be expensive.

If you have some Server Savant skill, search for other posting comments I've made, as many of these postings contain good information from many people with differing views.

Pick an approach which seems most useful for your situation.
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