left (#36 of 492 properties in global CSS property usage)

Used on 86.2% of scanned pages, or 2,726,655 unique URLs

This CSS usage data comes from a Bing-powered scan of 2,726,655 pages. This process detects correctly-formatted CSS properties for the browsers included in the scan. The latest data set is from November 22nd, 2017. To learn more about this data, visit our FAQ page.

Contains data from:

Chrome
Microsoft Edge
Firefox
31 unique instances
Values
Chrome
Microsoft Edge
Firefox
px 75.8% 857,337 74.6% 661,100 79.3% 563,374
% 36.8% 416,065 34.7% 307,807 37.3% 265,138
auto 18.9% 213,275 18.1% 160,052 21.6% 153,667
em 6.1% 68,877 5.2% 46,335 5.4% 38,520
calc() 3.5% 39,593 3.1% 27,397 3.4% 23,823
rem 3.1% 35,521 2.9% 25,477 2.5% 17,419
inherit 1.2% 13,199 0.934% 8,276 1% 7,356
initial 0.746% 8,428 0.574% 5,086 0.717% 5,092
vw 0.178% 2,016 0.158% 1,400 0.18% 1,280
pt 0.067% 760 0.057% 501 0.056% 399
unset 0.056% 630 0.044% 389 0.077% 546
vh 0.013% 147 0.013% 117 0.014% 101
mm 0.011% 120 0.008% 69 0.007% 49
<float> e-14px 0.015% 166 N/A 0.009% 63
in 0.004% 46 0.003% 29 0.004% 26
<float> e-15px 0.006% 66 N/A 0.002% 16
ex 0.003% 34 0.003% 23 0.003% 20
var() 0% 3 N/A 0.011% 80
cm 0.002% 27 0.002% 15 0.001% 9
pc 0.002% 19 0.002% 19 0.002% 16
$ <int> px$ <int> 0% 1 0% 1 N/A
<float> e-05pt 0% 1 N/A N/A
<float> e-05px 0% 2 N/A N/A
<float> e-12px 0% 3 N/A 0% 2
<float> e-13px 0% 4 N/A 0% 1
<float> e-15% 0% 1 N/A 0% 1
<int> e-05px 0% 1 N/A N/A
<int> e-06% 0% 3 N/A N/A
<int> e-06px 0% 2 N/A N/A
vmax 0% 1 N/A N/A
vmin 0% 3 0.001% 5 0% 3
Top URLs using left
URLRank
bing.comIn the top 10
msn.comIn the top 10
youtube.comIn the top 10
facebook.comIn the top 10
google.comIn the top 10
baidu.comIn the top 10
login.live.comIn the top 10
accounts.google.comIn the top 10
outlook.live.comIn the top 10
support.microsoft.comIn the top 100
yahoo.co.jpIn the top 100
amazon.comIn the top 100
login.microsoftonline.comIn the top 100
apps.facebook.comIn the top 100
search.yahoo.co.jpIn the top 100
yandex.ruIn the top 100
yahoo.comIn the top 100
msn.cnIn the top 100
microsoft.comIn the top 100
docs.google.comIn the top 100
en.wikipedia.orgIn the top 100
twitter.comIn the top 100
google.co.ukIn the top 100
news.yahoo.co.jpIn the top 100

492 properties