The Advanced Guide to Optimizing WordPress Performance

In this post, Toptal Software Engineer Martín Di Felice shares tips and tricks for WordPress developers who want to build better plugins and themes and destroy the notion that WordPress is a slow platform. ||
Today, WordPress powers 25% of the Internet. It’s easy to use, incredibly popular, and not going anywhere anytime soon.
But WordPress can be slow. So how do you optimize it?
There are loads of articles about how to tune and optimize WordPress. In fact, WordPress itself provides a robust guide on WordPress optimization.
For the most part, these articles and tutorials cover pretty basic yet useful concepts, like using cache plugins, integrating with content delivery networks (CDNs), and minimizing requests. While these tips are highly effective and even necessary, in the end, they don’t address the underlying problem: Most slow WordPress sites are a result of bad or inefficient code.
Therefore, this article is mainly aimed at providing developers with some guidelines that can help them address the underlying causes of many WordPress performance issues.
WordPress provides many performance-oriented features that are often overlooked by developers. Code that doesn’t
Source: https://managewp.org/articles/14022/the-advanced-guide-to-optimizing-wordpress-performance

source https://williechiu40.wordpress.com/2016/12/13/the-advanced-guide-to-optimizing-wordpress-performance/