What The Web Is Made Of

2014-11-26 – 2014-11-23

Global Stats

Elements Encountered 14,175,624
Document Loads Observed 37,263
Elements Added Dynamically 1,145,170

How Semantic Is The Markup?

Unsemantic (div, span, etc.) 59.09% 8,376,993
Semantic HTML (no extended semantics) 37.87% 5,367,794
Augmented Semantic HTML (HTML + MF/S.O/ARIA/WC) 1.89% 267,243

What Are HTML Semantics Augmented With?

WAI-ARIA 2.48% 351,821
Microformats 0.44% 62,078
Schema.org 0.12% 16,350
Web Components 0.01% 1,032

The Most Common Semantic HTML Elements

<a> 1,496,832
<li> 844,582
<td> 574,763
<script> 570,324
<option> 231,456
<input> 206,899
<tr> 197,885
<p> 195,426
<ul> 137,331

The Most Common WAI-ARIA Roles

button 91,857
presentation 78,881
menuitem 69,751
option 26,682
menu 13,255
tooltip 12,974
menubar 6,043
img 5,500
navigation 5,186

The Most Common Microformats

nofollow 43,900
tag 5,444
vcard 3,334
fn 2,548
photo 2,250
hentry 1,516
url 468
author 448
contact 408

The Most Common Schema.org Types

url 1,998
Person 1,778
name 1,433
Breadcrumb 1,349
WebPage 1,265
Article 748
title 743
SiteNavigationElement 492
description 403

The Most Common Custom Elements

polymer-element 443
include-fragment 166
spec-section 88
spec-algorithm 41
text-line 34
login-warning 33
tab-strip-label 16
spec-idl 15
ng-pluralize 14