image-maps
CSS property · 15 supported, 0 partial, 5 unsupported across 21 clients
15 of 21 email clients render image-maps fully (Sep 2, 2026 data); it breaks outright in Outlook Classic, Yahoo Mail Android, HEY Mail and 2 more.
- 4/7 webmail, 4/6 desktop, 7/8 mobile clients support image-maps fully.
- Unsupported in Outlook Classic, Yahoo Mail Android, HEY Mail, Proton Mail and 1 more.
- Outlook Classic (Word engine, supported to at least 2029) does not fully support image-maps, one of the few features its replacement actually fixes; see the deprecation diff.
- Across all clients, only 6 of 298 tracked HTML/CSS features render identically everywhere.
Source: caniemail.com (MIT), via the Emailens engine. Last tested upstream Sep 29, 2021, synced by Emailens Sep 2, 2026.
Client Support
| Client | Category | Engine | Support |
|---|---|---|---|
| Gmail | webmail | Gmail Web | Supported |
| Gmail Android | mobile | Gmail Mobile | Supported |
| Gmail iOS | mobile | Gmail Mobile | Supported |
| Outlook 365 | webmail | Outlook Web | Supported |
| Outlook (New) | desktop | Outlook Web | Supported |
| Outlook Classic | desktop | Microsoft Word | Unsupported |
| Outlook iOS | mobile | Outlook Mobile | Supported |
| Outlook Android | mobile | Outlook Mobile | Supported |
| Outlook for Mac | desktop | WebKit | Supported |
| Apple Mail | desktop | WebKit | Supported |
| Apple Mail iOS | mobile | WebKit | Supported |
| Yahoo Mail | webmail | Yahoo | Supported |
| Yahoo Mail Android | mobile | Yahoo | Unsupported |
| Yahoo Mail iOS | mobile | Yahoo | Supported |
| Samsung Mail | mobile | Samsung | Supported |
| Thunderbird | desktop | Gecko | Supported |
| HEY Mail | webmail | WebKit | Unsupported |
| Proton Mail | webmail | Proton | Unsupported |
| AOL Mail | webmail | AOL | Unsupported |
| Fastmail | webmail | Fastmail | Supported |
| Superhuman | desktop | Blink | Unknown |
Client-by-client behaviour for image-maps
Fully supports image-maps (15): Gmail, Gmail Android, Gmail iOS, Outlook 365, Outlook (New), Outlook iOS, Outlook Android, Outlook for Mac, Apple Mail, Apple Mail iOS, Yahoo Mail, Yahoo Mail iOS, Samsung Mail, Thunderbird, Fastmail.
No support (5): Outlook Classic, Yahoo Mail Android, HEY Mail, Proton Mail, AOL Mail. Plan fallbacks for these clients before relying on image-maps in production sends.
Behaviour unverified in: Superhuman.
Fixes & Workarounds
Outlook Classic
Unsupported"image-maps" is not supported in this email client.
Yahoo Mail Android
Unsupported"image-maps" is not supported in this email client.
HEY Mail
Unsupported"image-maps" is not supported in this email client.
Proton Mail
Unsupported"image-maps" is not supported in this email client.
AOL Mail
Unsupported"image-maps" is not supported in this email client.
Related Features
Check your own HTML for image-maps
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Try Emailens FreeLast tested upstream: · Last synced by Emailens:
caniemail.com (MIT) records Sep 29, 2021 as the last time image-maps was tested in a real client, 4 years before this sync. Syncing copies that result forward, it does not re-test it. Carried in @emailens/engine data v0.12.2.