Listing latest benchmark results

Historical Performance Data aggregated from 5 community runs

Desktop Results:
Firefox 5 runs
getElementsByClassname()[0]
3.2M/s
querySelector()
2.6M/s
querySelectorAll()[0]
112K/s

Fastest: getElementsByClassname()[0] (28.9x faster)

View exact numbers
  • ✓ getElementsByClassname()[0]: 3,233,479 ops/sec
  • • querySelector(): 2,612,339 ops/sec
  • • querySelectorAll()[0]: 111,915 ops/sec

Results show median performance across all community submissions. Run this benchmark yourself to verify on your device.

Browser OS User Agent When Created
Firefox 149 Windows Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:149.0) Gecko/20100101 Firefox/149.0 one month ago
Firefox 146 Linux Mozilla/5.0 (X11; Linux x86_64; rv:146.0) Gecko/20100101 Firefox/146.0 7 months ago
Firefox 128 Windows Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:128.0) Gecko/20100101 Firefox/128.0 one year ago
Firefox 128 Windows Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:128.0) Gecko/20100101 Firefox/128.0 one year ago
Chrome 134 Mac OS X 10.15.7 Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36 one year ago
Firefox 124 Windows Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:124.0) Gecko/20100101 Firefox/124.0 2 years ago