jsPerf.app is an online JavaScript performance benchmark test runner & jsperf.com mirror. It is a complete rewrite in homage to the once excellent jsperf.com now with hopefully a more modern & maintainable codebase.

jsperf.com URLs are mirrored at the same path, e.g:

https://jsperf.com/negative-modulo/2

Can be accessed at:

https://jsperf.app/negative-modulo/2

CSS Performance Test (v5)

Revision 5 of this benchmark created on December 4, 2011

Preparation HTML

<header>
      
      <nav>
      
        <ul id="nav">
            <li><a href="#" title="Why Upgrade?">Why Upgrade?</a></li>
            <li><a href="#" title="How to Upgrade">How to Upgrade</a></li>
            <li><a href="#" title="Save Your Stuff">Save Your Stuff</a></li>
            <li><a href="#" title="Missing Out">Missing Out</a></li>
            <li><a href="#" title="Support This">Support This</a></li>
            <li><a href="#" title="About BrowsingBetter">About BB</a></li>
            <li class="twitter-link"><a href="#" title="Follow BrowsingBetter on Twitter">Follow Us</a></li>
        </ul>
        
      </nav>
      
  </header>

Test runner

Ready to run.

Testing in
Test		Ops/sec
unstyled	`header nav ul li a`	ready
full style	`#nav a`	ready
no text shadow		ready
no box shadow		ready
no corners		ready

Revisions

You can edit these tests or add more tests to this page by appending /edit to the URL.

Revision 1: published on March 12, 2011
Revision 2: published on March 22, 2011
Revision 3: published on August 8, 2011
Revision 4: published on August 8, 2011
Revision 5: published on December 4, 2011
Revision 7: published on August 12, 2013
Revision 8: published by asas on September 18, 2013
Revision 9: published on November 26, 2013
Revision 10: published by Hemerson Vianna on January 6, 2014
Revision 11: published by 404Nan on May 16, 2014
Revision 12: published on May 29, 2014