What The Web Is Made Of

2014-10-24 – 2014-10-22

Global Stats

Elements Encountered 15,092,355
Document Loads Observed 57,543
Elements Added Dynamically 721,394

How Semantic Is The Markup?

Unsemantic (div, span, etc.) 57.20% 8,633,485
Semantic HTML (no extended semantics) 38.92% 5,873,411
Augmented Semantic HTML (HTML + MF/S.O/ARIA/WC) 2.37% 357,020

What Are HTML Semantics Augmented With?

WAI-ARIA 2.68% 403,899
Microformats 1.10% 166,747
Schema.org 0.10% 14,433
Web Components 0.00% 687

The Most Common Semantic HTML Elements

<a> 1,836,745
<li> 685,223
<td> 679,078
<script> 572,139
<tr> 255,440
<input> 253,485
<p> 233,594
<option> 203,395
<meta> 134,743

The Most Common WAI-ARIA Roles

button 133,667
menuitem 65,022
presentation 50,696
option 28,175
menu 13,614
note 12,197
tooltip 10,388
separator 6,858
img 6,517

The Most Common Microformats

nofollow 139,320
tag 13,396
fn 3,926
vcard 3,654
photo 2,213
hentry 2,094
entry-content 420
license 276
profile 195

The Most Common Schema.org Types

url 1,321
WebPage 1,188
Product 866
Breadcrumb 834
name 715
Person 547
Comment 387
description 382
text 361

The Most Common Custom Elements

spec-section 176
fb:login-button 139
spec-algorithm 82
fb:comments-count 31
spec-idl 30
dyn-m 26
deferred-content 25
gcse:searchbox-only 19
spec-clause 18