Whether you’re working for a client or developing your own WordPress projects, you don’t need me to tell you that speed matters. A lot. And contrary to the well-known cliche, it’s really the lack of speed that kills when it comes to the web.
If you depend on WordPress for your livelihood, then it had better perform:
Ignore site speed and you’ll cripple your sites’ conversion rates — and you already know that your development clientele expects near-instantaneous page loads regardless of how many hi-res images and videos they’ve thrown on a page.
The power of WordPress is also its greatest weakness. WordPress’ theming and templating system abstracts the actual HTML [...]