What are the best tips to optimize website speed and performance?

[WoodsPainting]

What are the best tips to optimize website speed and performance?

[pharmasecure]

The 8 Best Website Speed Optimization Techniques (2018)

Speed up image loading. Nobody likes to see that circle spin around and around while an image loads.
Optimize Javascript.
Optimize CSS.
Check your plugins.
Use minification.
Get your site cached.
Resolve 404 errors.
Implement Accelerated Mobile Pages (AMP)

[yuva12]

Speed is a large factor in site performance, but it’s not the only one. Sites need to load quickly and all the elements need to work on both desktop and mobile.