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 328 576 345 668
No. of Selectors 520 576 517 668
No. of Declarations 1057 576 1206 668
Size (in KB) 37.49 22.94 40.68 26.40
Gzipped Size (in KB) 7.44 4.77 8.04 5.34
Save 2.67 KB! (35.89%) Save 2.70 KB! (33.58%)