Yahoo Mail Android
CSS coverage profile for Yahoo Mail Android
Yahoo Mail Android renders with the Yahoo engine and supports 120 of 298 tracked CSS and HTML features fully, with 31 partially supported and 146 unsupported. That places it in a moderate coverage band.
A meaningful portion of CSS is unsupported or partially supported. Plan fallbacks for layout-critical features and validate every template before send.
120
Supported
31
Partial
146
Unsupported
298
Total
Breaks here, works nearly everywhere else
9 features that Yahoo Mail Android drops while most other clients render them. This is usually what is behind an email that looks correct everywhere but here.
Renders here, dropped almost everywhere else
Safe in Yahoo Mail Android and almost nowhere else, so it needs a fallback the moment the send is not Yahoo Mail Android-only.
Where Yahoo Mail Android is weakest
- CSS Properties 112
- HTML Elements 18
- HTML Attributes 14
- CSS At-Rules 9
- CSS Functions 8
Closest client: Yahoo Mail iOS
Yahoo Mail iOS agrees with Yahoo Mail Android on 96% of verified features. They still differ on 11: <button type="submit">, <form>, <input type="submit">, <input type="text">, <select>, <textarea>, and 5 more.
HTML Elements48
| Feature | Support |
|---|---|
| <abbr> | Unsupported |
| <acronym> | Unsupported |
| <address> | Supported |
| <audio> | Unsupported |
| <base> | Partial |
| <bdi> | Unsupported |
| <blockquote> | Supported |
| <body> | Unsupported |
| <button type="reset"> | Unsupported |
| <button type="submit"> | Supported |
| <code> | Supported |
| <del> | Supported |
| <dfn> | Supported |
| <dialog> | Unsupported |
| <div> | Supported |
| <form> | Supported |
| <h1> | Supported |
| <hr> | Supported |
| <img> | Supported |
| <input type="checkbox"> | Supported |
| <input type="hidden"> | Supported |
| <input type="radio"> | Supported |
| <input type="reset"> | Supported |
| <input type="submit"> | Supported |
| <input type="text"> | Unsupported |
| <link> | Unsupported |
| <marquee> | Supported |
| <meter> | Unsupported |
| <object> | Unsupported |
| <p> | Supported |
| <picture> | Unsupported |
| <pre> | Supported |
| <progress> | Unsupported |
| <rp> | Supported |
| <rt> | Supported |
| <ruby> | Supported |
| <select> | Supported |
| <small> | Supported |
| <span> | Supported |
| <strike> | Supported |
| <strong> | Supported |
| <style> | Supported |
| <svg> | Unsupported |
| <table> | Supported |
| <textarea> | Unsupported |
| <ul> | Partial |
| <video> | Unsupported |
| <wbr> | Supported |
HTML Attributes22
| Feature | Support |
|---|---|
| [align] | Supported |
| [aria-describedby] | Unsupported |
| [aria-hidden] | Unsupported |
| [aria-label] | Unsupported |
| [aria-labelledby] | Unsupported |
| [aria-live] | Unsupported |
| [background] | Supported |
| [cellpadding] | Supported |
| [cellspacing] | Supported |
| [command] | Unsupported |
| [dir] | Supported |
| [height] | Supported |
| [hidden] | Unsupported |
| [lang] | Partial |
| [loading] | Unsupported |
| [popover] | Unsupported |
| [required] | Unsupported |
| [role] | Partial |
| [srcset] | Unsupported |
| [target] | Unsupported |
| [valign] | Supported |
| [width] | Supported |
HTML & Email Structure8
| Feature | Support |
|---|---|
| amp4email | Supported |
| anchor-links | Unsupported |
| doctype | Unsupported |
| html-comments | Supported |
| html5-semantics | Unsupported |
| image-maps | Unsupported |
| mailto-links | Partial |
| meta-color-scheme | Unsupported |
CSS At-Rules10
| Feature | Support |
|---|---|
| @font-face | Unsupported |
| @import | Unsupported |
| @keyframes | Unsupported |
| @media | Partial |
| @media device-pixel-ratio | Unsupported |
| @media hover | Unsupported |
| @media orientation | Unsupported |
| @media prefers-color-scheme | Unsupported |
| @media prefers-reduced-motion | Unsupported |
| @supports | Supported |
Pseudo-Elements6
| Feature | Support |
|---|---|
| ::after | Unsupported |
| ::before | Unsupported |
| ::first-letter | Supported |
| ::first-line | Supported |
| ::marker | Supported |
| ::placeholder | Supported |
Pseudo-Classes & Selectors34
| Feature | Support |
|---|---|
| :adjacent-sibling | Supported |
| :attribute-selector | Partial |
| :chaining | Supported |
| :checked | Supported |
| :child-combinator | Supported |
| :class-selector | Supported |
| :descendant-combinator | Supported |
| :first-child | Supported |
| :first-of-type | Supported |
| :focus | Supported |
| :focus-visible | Supported |
| :focus-within | Supported |
| :general-sibling | Supported |
| :grouping | Supported |
| :has | Unsupported |
| :hover | Supported |
| :id-selector | Supported |
| :lang | Unsupported |
| :last-child | Supported |
| :last-of-type | Supported |
| :link | Supported |
| :not | Unsupported |
| :nth-child | Unsupported |
| :nth-last-child | Unsupported |
| :nth-of-type | Unsupported |
| :only-child | Supported |
| :only-of-type | Supported |
| :target | Supported |
| :type-selector | Supported |
| :universal-selector | Supported |
| :visited | Supported |
| pseudo-class-active | Supported |
| pseudo-class-default | Supported |
| pseudo-class-nth-last-of-type | Unsupported |
CSS Functions8
| Feature | Support |
|---|---|
| calc | Unsupported |
| clamp | Unsupported |
| conic-gradient | Unsupported |
| fit-content | Unsupported |
| linear-gradient | Unsupported |
| max | Unsupported |
| min | Unsupported |
| radial-gradient | Unsupported |
CSS Properties162
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Support data last updated Sep 2, 2026 - synced from caniemail.com (MIT) via @emailens/engine.