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 260 522 272 593
No. of Selectors 335 522 325 593
No. of Declarations 885 522 1005 593
Size (in KB) 27.45 20.78 30.00 23.59
Gzipped Size (in KB) 6.08 4.30 6.54 4.76
Save 1.78 KB! (29.28%) Save 1.78 KB! (27.22%)