What The Web Is Made Of

2014-09-01 – 2014-08-29

Global Stats

Elements Encountered 16,676,379
Document Loads Observed 39,905
Elements Added Dynamically 1,213,354

How Semantic Is The Markup?

Unsemantic (div, span, etc.) 61.55% 10,264,670
Semantic HTML (no extended semantics) 36.53% 6,092,280
Augmented Semantic HTML (HTML + MF/S.O/ARIA/WC) 1.10% 184,203

What Are HTML Semantics Augmented With?

WAI-ARIA 1.43% 238,550
Microformats 0.37% 62,041
Schema.org 0.11% 18,841
Web Components 0.00% 476

The Most Common Semantic HTML Elements

<a> 1,510,443
<li> 1,259,953
<td> 657,732
<script> 563,708
<input> 223,170
<option> 205,374
<tr> 200,668
<p> 186,201
<ul> 167,575

The Most Common WAI-ARIA Roles

button 105,981
menuitem 45,881
option 9,936
presentation 9,829
menu 9,719
navigation 5,605
tooltip 4,301
article 3,647
gridcell 3,116

The Most Common Microformats

nofollow 47,277
tag 5,169
vcard 1,944
fn 1,194
author 1,080
photo 928
hentry 501
h-related-impression 383
h-related-title 383

The Most Common Schema.org Types

Product 2,248
url 1,630
Offer 1,205
name 1,113
WebPage 1,097
Breadcrumb 992
priceCurrency 639
availability 618
Person 602

The Most Common Custom Elements

polymer-ui-icon 96
polymer-element 56
paper-button 45
core-item 27
fb:comments-count 22
fb:like-box 21
gcse:searchbox-only 14
fb:share-button 13
g-emoji 11