What Do I do If my website's loading speed is very bad!

[Najmus]

As mentioned above, if my website's loading time is very bad & I don't have ways to improve it anymore. What is the next step that I should take?? Change the theme?

Note - Site is designed with multiple templates from diff themes(WP)

[mariajonas]

I would suggest you to act on the suggestions by Google PageSpeed Insights

[brookeroberts7]

5 Ways To Fix Your Slow-Loading Site
What Do I Do About My Website Loading Slowly? If one thing is true about your website, it's that loading speed matters. ...
Enable Caching. ...
Remove Resource-Hogging Plugins and Add-ons. ...
Optimize and Reduce the Size of Your Images. ...
Minimize Your Code. ...
Use a CDN.

[sophiawils59]

Here are some of the many ways to increase your website loading speed:

-Enable compression
-Minify CSS, JavaScript, and HTML
-Reduce redirects
-Remove render-blocking JavaScript
-Leverage browser caching
-Improve server response time
-Use a content distribution network
-Optimize images

[Kevin56]

You can try the following steps, I hope it will work for you:-
- Optimize & reduce your image size of your website
- If you are using CMS try to install W3 Total cache or W3 super cache plugins
- Using CDN can solve your problem

[abhijit12a]

As mentioned above, if my website's loading time is very bad & I don't have ways to improve it anymore. What is the next step that I should take?? Change the theme?

Note - Site is designed with multiple templates from diff themes(WP)

You can go with the basic WP themes. And also use google page speed insight for the speed test and try to resolve all the technical errors of the website and then you can see good result. And also try to use CDN

[brill_mindz]

Page speed defines the total loading time of a particular web page. It could be important for ranking purposes if your web page having less load time as compared to other website pages then search engines should be given high priority.

[mariajonas]

Can you please clarify "website is designed in multiple themes?"

[Neel Patel]

Where you checked the page speed, you will get the tips also about how to improve the page speed!

[Manmohan Singh]

As mentioned above, if my website's loading time is very bad & I don't have ways to improve it anymore. What is the next step that I should take?? Change the theme?

Note - Site is designed with multiple templates from diff themes(WP)

Hi,

Due to multiple template, the site speed will be definetly poor. There are some key action that you can take to improve the website loading time. 
1. Optimize the images. Keep the size of the images in 100 KB and in Jpeg format.
2. Minimise the Java Script and CSS files.
3.  USE lazyload plugin if your website is in Wordpress.  It will help you lot. 
4. Work on Cache files to improve the loading time. 

 Work on the ablove tips your website laoding time will be improved lot.