{ "title":"Srcset and sizes attributes", "description":"The `srcset` and `sizes` attributes on `img` (or `source`) elements allow authors to define various image resources and \"hints\" that assist a user agent to determine the most appropriate image source to display (e.g. high-resolution displays, small monitors, etc).", "spec":"https://html.spec.whatwg.org/multipage/embedded-content.html#attr-img-srcset", "status":"ls", "links":[ { "url":"https://www.webkit.org/blog/2910/improved-support-for-high-resolution-displays-with-the-srcset-image-attribute/", "title":"Improved support for high-resolution displays with the srcset image attribute" }, { "url":"https://ericportis.com/posts/2014/srcset-sizes/", "title":"Blog post on srcset & sizes" }, { "url":"https://developer.mozilla.org/en-US/docs/Learn/HTML/Multimedia_and_embedding/Responsive_images", "title":"MDN: Responsive images" }, { "url":"https://developer.mozilla.org/en-US/docs/Web/HTML/Element/img", "title":"MDN: element" } ], "bugs":[ { "description":"Edge versions 13, 14 and 15 intermittently display distorted images as soon as they encounter a srcset attribute, seemingly dependent on caching and network timing. [see bug](https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/7778808/)" } ], "categories":[ "HTML5" ], "stats":{ "ie":{ "5.5":"n", "6":"n", "7":"n", "8":"n", "9":"n", "10":"n", "11":"n" }, "edge":{ "12":"a #2", "13":"n #3", "14":"n #3", "15":"n #3", "16":"y", "17":"y" }, "firefox":{ "2":"n", "3":"n", "3.5":"n", "3.6":"n", "4":"n", "5":"n", "6":"n", "7":"n", "8":"n", "9":"n", "10":"n", "11":"n", "12":"n", "13":"n", "14":"n", "15":"n", "16":"n", "17":"n", "18":"n", "19":"n", "20":"n", "21":"n", "22":"n", "23":"n", "24":"n", "25":"n", "26":"n", "27":"n", "28":"n", "29":"n", "30":"n", "31":"n", "32":"n d #1", "33":"n d #1", "34":"n d #1", "35":"n d #1", "36":"n d #1", "37":"n d #1", "38":"y", "39":"y", "40":"y", "41":"y", "42":"y", "43":"y", "44":"y", "45":"y", "46":"y", "47":"y", "48":"y", "49":"y", "50":"y", "51":"y", "52":"y", "53":"y", "54":"y", "55":"y", "56":"y", "57":"y", "58":"y", "59":"y", "60":"y", "61":"y" }, "chrome":{ "4":"n", "5":"n", "6":"n", "7":"n", "8":"n", "9":"n", "10":"n", "11":"n", "12":"n", "13":"n", "14":"n", "15":"n", "16":"n", "17":"n", "18":"n", "19":"n", "20":"n", "21":"n", "22":"n", "23":"n", "24":"n", "25":"n", "26":"n", "27":"n", "28":"n", "29":"n", "30":"n", "31":"n", "32":"n", "33":"n", "34":"a #2", "35":"a #2", "36":"a #2", "37":"a #2", "38":"y", "39":"y", "40":"y", "41":"y", "42":"y", "43":"y", "44":"y", "45":"y", "46":"y", "47":"y", "48":"y", "49":"y", "50":"y", "51":"y", "52":"y", "53":"y", "54":"y", "55":"y", "56":"y", "57":"y", "58":"y", "59":"y", "60":"y", "61":"y", "62":"y", "63":"y", "64":"y", "65":"y", "66":"y", "67":"y" }, "safari":{ "3.1":"n", "3.2":"n", "4":"n", "5":"n", "5.1":"n", "6":"n", "6.1":"n", "7":"n", "7.1":"a #2", "8":"a #2", "9":"y", "9.1":"y", "10":"y", "10.1":"y", "11":"y", "11.1":"y", "TP":"y" }, "opera":{ "9":"n", "9.5-9.6":"n", "10.0-10.1":"n", "10.5":"n", "10.6":"n", "11":"n", "11.1":"n", "11.5":"n", "11.6":"n", "12":"n", "12.1":"n", "15":"n", "16":"n", "17":"n", "18":"n", "19":"n", "20":"n", "21":"a #2", "22":"a #2", "23":"a #2", "24":"a #2", "25":"y", "26":"y", "27":"y", "28":"y", "29":"y", "30":"y", "31":"y", "32":"y", "33":"y", "34":"y", "35":"y", "36":"y", "37":"y", "38":"y", "39":"y", "40":"y", "41":"y", "42":"y", "43":"y", "44":"y", "45":"y", "46":"y", "47":"y", "48":"y", "49":"y", "50":"y", "51":"y", "52":"y" }, "ios_saf":{ "3.2":"n", "4.0-4.1":"n", "4.2-4.3":"n", "5.0-5.1":"n", "6.0-6.1":"n", "7.0-7.1":"n", "8":"a #2", "8.1-8.4":"a #2", "9.0-9.2":"y", "9.3":"y", "10.0-10.2":"y", "10.3":"y", "11.0-11.2":"y", "11.3":"y" }, "op_mini":{ "all":"n" }, "android":{ "2.1":"n", "2.2":"n", "2.3":"n", "3":"n", "4":"n", "4.1":"n", "4.2-4.3":"n", "4.4":"n", "4.4.3-4.4.4":"n", "62":"y" }, "bb":{ "7":"n", "10":"n" }, "op_mob":{ "10":"n", "11":"n", "11.1":"n", "11.5":"n", "12":"n", "12.1":"n", "37":"y" }, "and_chr":{ "64":"y" }, "and_ff":{ "57":"y" }, "ie_mob":{ "10":"n", "11":"n" }, "and_uc":{ "11.8":"y" }, "samsung":{ "4":"y", "5":"y", "6.2":"y" }, "and_qq":{ "1.2":"y" }, "baidu":{ "7.12":"y" } }, "notes":"", "notes_by_num":{ "1":"Can be enabled in Firefox by setting the about:config preference dom.image.srcset.enabled to true", "2":"Supports the subset of the syntax for resolution switching (using the `x` descriptor), but not the full syntax that can be used with `sizes` (using the `w` descriptor).", "3":"Intermittently displays distorted images due to bug present (see known issues)" }, "usage_perc_y":88.38, "usage_perc_a":0.28, "ucprefix":false, "parent":"", "keywords":"srcset attribute", "ie_id":"imgsrcset", "chrome_id":"4644337115725824", "firefox_id":"", "webkit_id":"feature-srcset-w-descriptor-and-related-sizes-attribute,feature-srcset-x-descriptor", "shown":true }