How to connect similar technologies to your site with cms Wordpress?

Question

Web development

I constantly check technologies and other indicators of blogs on the Internet. There are those who know who will tell you how to connect and whether it is worth it at all, otherwise my blogs have only one wp technology)))) In general, the main questions are:

1. Why connect them?
   
2. How to do it?
   
3. Is it worth the bother?
   
4. How much does it affect search engine promotion?
   

Specifically, the questions are:

• Javascript: jquery
  
• Font Icons:Google Font API
  
• Web Server: Nginx
  
• Programming language: PHP
  
• Tag Manager: Google Tag Manager
  

Answer 1

Spit and grind, your question is fierce garbage does not make sense. Don't fill your head with rubbish

Answer 2

Why connect them?
How to do it?
Is it worth the bother?
How much does it affect search engine promotion?

Are you asking us?
Google
Well, it's up to you.
It only affects what will be changed after visiting pagespeed, there are the necessary recommendations.

Specifically, the questions are about:
Javascript: jQuery
Font Icons: Google Font API
Web Server: Nginx
Programming Language: PHP
Tag Manager: Google Tag Manager

1. jQuery is already on vp
2. You can connect, most likely you don’t have them
3. -
4. WordPress is written in PHP
5. It’s like tracking traffic, it’s also up to you.