iPhone/iPad Browser Compatibility Browser Compatibility

These guidelines detect browser compatibility issues for iPhone and iPad.

• iPhone/iPad Browser Compatibility

Rules

• Audio format with limited browser support
• data element has partial support
• datalist element has partial support
• details element has partial support
• name attribute on details elements has partial support
• dialog element has partial support
• input type=color has partial support
• input type=date has partial support
• input type=datetime-local has partial support
• Insecure password field
• input type=range has partial support
• list on input type=range has partial support
• input type=time has partial support
• HTML imports are no longer supported
• menu element has partial support
• meter element has partial support
• output element has partial support
• popover attribute has partial support
• progress element has partial support
• Script modules have partial support
• Scoped stylesheets unsupported
• xml:base is unsupported
• summary element has partial support
• template element has partial support
• track element has partial support
• Video format with limited browser support
• isindex element is unsupported
• @counter-style has partial support
• @layer has partial support
• @property has partial support
• all: property has partial support
• backdrop-filter: property has partial support
• border-block- and border-inline- properties have partial support
• border-start-start-radius: property has partial support
• border-start-end-radius: property has partial support
• border-end-start-radius: property has partial support
• border-end-end-radius: property has partial support
• grid: property has partial support
• revert CSS keyword has partial support
• clip-path: property has partial support
• CSS light-dark() function has partial support
• CSS color-mix() function has partial support
• CSS color() function has partial support
• hsl() colors with 4 values have partial support
• hsla() colors with 3 values have partial support
• hwb() colors have partial support
• lab() colors have partial support
• lch() colors have partial support
• oklab() colors have partial support
• oklch() colors have partial support
• rgb() colors with 4 values have partial support
• rgba() colors with 3 values have partial support
• margin-block- and margin-inline- properties have partial support
• mask: property has partial support
• calc() in media queries has partial support
• Media query ranges have partial support
• padding-block- and padding-inline- properties have partial support
• position: sticky property has partial support
• :any-link selector has partial support
• :dir() selector has partial support
• :focus-within selector has partial support
• :focus-visible selector has partial support
• :has() selector has partial support
• :in-range selector has partial support
• :is() selector has partial support
• :modal selector has partial support
• :out-of-range selector has partial support
• :popover-open selector has partial support
• :state() selector has partial support
• :user-invalid selector has partial support
• :user-valid selector has partial support
• :visited selector has partial support
• :where() selector has partial support
• shape-outside: property has partial support
• cap unit has partial support
• cq* units have partial support
• ic unit has partial support
• lh unit has partial support
• q unit has partial support
• rlh units have partial support
• rex, rch, and ric units have partial support
• sv*, lv* and dv* units have partial support
• AVIF images have partial support
• SVG fragments have partial support
• WebP images have partial support
• Non-standard image format
• Flash no longer supported
• Java applets are unsupported
• ondblclick event not supported on mobile
• oncontextmenu event not supported on mobile
• input type=file has partial support
• document.all is a legacy Microsoft extension
• counter-set: property has partial support
• position: fixed has partial support
• visibility: collapse on table columns has partial support
• scale: property has partial support
• rotate: property has partial support
• text-decoration-color: property has partial support
• text-decoration-line: property has partial support
• text-decoration-style: property has partial support
• transform: property has partial support
• translate: property has partial support
• Image maps with id but no name have partial support
• window.showModalDialog method is unsupported
• blink element is unsupported
• ilayer element is unsupported
• layer element is unsupported
• ruby element has partial support
• xml element is unsupported
• div src attribute is unsupported
• img dynsrc attribute is unsupported
• img controls attribute is unsupported
• img loop attribute is unsupported
• img start attribute is unsupported
• bordercolor, bordercolordark and bordercolorlight are unsupported
• view-source: URL scheme has partial support
• Link: HTTP header has partial support
• Silverlight no longer supported