optgroup (# of 120 properties in global CSS property usage)

Used on 1.2% of scanned pages, or 2,602,016.00 unique URLs

This HTML usage data comes from a Bing-powered scan of 2,602,016.00 pages. This process detects correctly-formatted HTML tags for the browsers included in the scan. The latest data set is from July 20th, 2017. To learn more about this data, visit our FAQ page.

Contains data from:

Chrome
Microsoft Edge
Firefox
9 unique instances
Values
Chrome
Microsoft Edge
Firefox
label 1.2% 9,636.00 1.2% 7,554.00 1.1% 10,010.00
style 0.037% 306.00 0.036% 233.00 0.036% 313.00
class 0.026% 216.00 0.029% 188.00 0.026% 226.00
id 0.018% 148.00 0.019% 122.00 0.018% 153.00
disabled 0.006% 53.00 0.006% 37.00 0.006% 50.00
title 0.004% 35.00 0.004% 25.00 0.004% 34.00
value 0% 4.00 0.004% 29.00 0.001% 5.00
hidden 0% 1.00 N/A N/A
selected N/A 0% 2.00 N/A
Top URLs using optgroup
URLRank
naver.comIn the top 25.00
ebay.comIn the top 38.00
nicovideo.jpIn the top 71.00
ebay.co.ukIn the top 79.00
rakuten.co.jpIn the top 99.00
ebay.deIn the top 113.00
xnxx.comIn the top 133.00
jalan.netIn the top 236.00
rightmove.co.ukIn the top 270.00
ebay.com.auIn the top 350.00
search.ancestry.comIn the top 471.00
dailymail.co.ukIn the top 478.00
tesco.comIn the top 513.00
candidat.pole-emploi.frIn the top 564.00
nifty.comIn the top 595.00
ebay.itIn the top 614.00
boursorama.comIn the top 663.00
travel.rakuten.co.jpIn the top 671.00
asahi.comIn the top 728.00
dell.comIn the top 768.00
nissen.co.jpIn the top 793.00
nytimes.comIn the top 820.00
immobilienscout24.deIn the top 832.00
gov.ukIn the top 919.00

120 properties