What The Web Is Made Of

2014-10-23 – 2014-10-21

Global Stats

Elements Encountered 16,067,412
Document Loads Observed 72,240
Elements Added Dynamically 830,772

How Semantic Is The Markup?

Unsemantic (div, span, etc.) 55.99% 8,996,155
Semantic HTML (no extended semantics) 40.35% 6,483,054
Augmented Semantic HTML (HTML + MF/S.O/ARIA/WC) 2.42% 389,325

What Are HTML Semantics Augmented With?

WAI-ARIA 2.31% 370,423
Microformats 1.27% 204,175
Schema.org 0.08% 12,990
Web Components 0.01% 1,191

The Most Common Semantic HTML Elements

<a> 1,796,453
<li> 861,636
<td> 747,417
<script> 651,245
<input> 296,131
<p> 266,343
<tr> 258,886
<option> 182,928
<link> 165,507

The Most Common WAI-ARIA Roles

button 120,116
menuitem 63,434
presentation 44,498
option 31,742
menu 14,115
tooltip 11,511
separator 8,358
gridcell 7,825
img 7,602

The Most Common Microformats

nofollow 176,569
tag 10,694
vcard 4,442
fn 3,971
photo 3,300
hentry 2,173
entry-summary 647
entry-content 481
license 479

The Most Common Schema.org Types

url 1,456
WebPage 1,369
text 1,067
name 868
Breadcrumb 818
Person 630
Article 364
title 325
description 322

The Most Common Custom Elements

spec-section 264
fb:login-button 180
spec-algorithm 123
polymer-element 90
core-icon 54
company-post 50
paper-button 49
spec-idl 45
job-view 39