HTML5 semantics

This includes support for <article>, <aside>, <details>, <figcaption>, <figure>, <footer>, <header>, <main>, <mark>, <nav>, <section>, <summary>, <time> elements.

Estimated Support About

34.15% + 31.71% = 65.86%

Apple Mail

macOS

10.3

iOS

10.3

12.4

Gmail

Desktop Webmail

2019-07

2

iOS

2019-07

2

Android

2019-07

2

Mobile Webmail

2020-02

2

Outlook

Windows

2003

2007

2010

2013

2016

2019

Windows Mail

2020-01

macOS

2011

2016

16.80

1 4

Outlook.com

2019-07

1 4

2024-01

1 4

iOS

2019-07

1 4

Android

2019-07

1 4

Yahoo! Mail

Desktop Webmail

2019-07

4

iOS

2019-07

4

Android

2019-07

4

AOL

Desktop Webmail

2020-01

4

iOS

2020-01

4

Android

2020-01

4

Samsung Email

Android

6.0

Mozilla Thunderbird

macOS

60.3

ProtonMail

Desktop Webmail

2020-03

iOS

2020-03

Android

2020-03

Fastmail

Desktop Webmail

2021-07

HEY

Desktop Webmail

2020-06

5

Orange

Desktop Webmail

2019-07

2021-03

2024-04

1

iOS

2019-07

2024-04

1

Android

2019-07

3

2024-04

1

LaPoste.net

Desktop Webmail

2021-08

SFR

Desktop Webmail

2019-07

iOS

2019-07

Android

2019-07

GMX

Desktop Webmail

2022-11

iOS

2022-11

Android

2022-11

1&1

Desktop Webmail

2022-11

1

Android

2022-11

Mail.ru

Desktop Webmail

2020-10

WEB.DE

Desktop Webmail

2022-11

iOS

2022-11

Android

2022-11

WP.pl

Desktop Webmail

2025-11