What The Web Is Made Of

2014-09-21 – 2014-09-18

Global Stats

Elements Encountered 12,688,114
Document Loads Observed 42,234
Elements Added Dynamically 725,726

How Semantic Is The Markup?

Unsemantic (div, span, etc.) 49.53% 6,283,874
Semantic HTML (no extended semantics) 47.97% 6,085,904
Augmented Semantic HTML (HTML + MF/S.O/ARIA/WC) 1.41% 179,265

What Are HTML Semantics Augmented With?

WAI-ARIA 1.87% 236,932
Microformats 0.54% 68,585
Schema.org 0.10% 12,273
Web Components 0.01% 974

The Most Common Semantic HTML Elements

<a> 1,966,227
<td> 1,158,061
<li> 590,613
<script> 485,595
<tr> 352,361
<input> 185,575
<p> 184,971
<table> 117,381
<ul> 112,956

The Most Common WAI-ARIA Roles

button 98,402
menuitem 48,490
option 18,433
tooltip 10,099
menu 9,566
presentation 6,532
img 3,819
navigation 3,325
link 3,002

The Most Common Microformats

nofollow 45,673
vcard 5,739
fn 5,307
photo 5,122
tag 3,193
author 732
hentry 656
profile 601
entry-content 282

The Most Common Schema.org Types

url 1,456
WebPage 1,096
name 943
text 915
Breadcrumb 816
Person 722
description 392
UserComments 347
title 341

The Most Common Custom Elements

polymer-element 244
ic-autocomplete-option 150
chart-container 117
builder-list 55
fb:comments-count 28
fb:like-box 26
gcse:searchbox-only 24
jfk-dialog 24
aes-view 22