https://atomize-io.herokuapp.com/wikipedia.org

Append the domain name to the URL in the address bar. Press Enter to see how much the website can benefit by adopting Atomic CSS. Read the blog post to understand how it works.

wikipedia.org Single page CSS Complete CSS
Before After Before After
No. of Rulesets 345 548 355 582
No. of Selectors 547 548 555 582
No. of Declarations 1016 548 1071 582
Size (in KB) 36.06 21.70 37.62 23.16
Gzipped Size (in KB) 7.25 4.58 7.58 4.83
Save 2.67 KB! (36.83%) Save 2.75 KB! (36.28%)