{ "@type": "earl:report", "@context": "http://daisy.github.io/ace/ace-report-1.0.jsonld", "dct:title": "Ace Report", "dct:description": "Report on automated accessibility checks for EPUB", "dct:date": "3/24/2026, 9:50:14 AM", "earl:assertedBy": { "@type": "earl:software", "doap:name": "DAISY Ace", "doap:description": "DAISY Accessibility Checker for EPUB", "doap:homepage": "http://daisy.github.io/ace", "doap:created": "2017-07-01", "doap:release": { "doap:revision": "1.3.7" } }, "outlines": { "toc": "
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  1. Page 1
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  2. Page 4
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  3. Page 6
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  4. Page 10
    5. \n
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The image has a brown fur-like border.", "role": null, "html": "\"A", "location": "OEBPS/page_10.xhtml#epubcfi(/4/2%5Bchapter4_page_container%5D/8%5Bchapter4_page10_img3%5D/2)" }, { "src": "OEBPS/images/img_1772714395856_-175.jpg", "alt": "Several horses and jockeys racing on a track.", "role": null, "html": "\"Several", "location": "OEBPS/page_10.xhtml#epubcfi(/4/2%5Bchapter4_page_container%5D/14%5Bchapter4_page11_img2%5D/2)" }, { "src": "OEBPS/images/img_1772714395856_-177.jpg", "alt": "A horse and rider jumping over an obstacle.", "role": null, "html": "\"A", "location": "OEBPS/page_10.xhtml#epubcfi(/4/2%5Bchapter4_page_container%5D/16%5Bchapter4_page11_img3%5D/2)" }, { "src": "OEBPS/images/img_1772714395856_-180.jpg", "alt": "Brown fur decorative strip for caption box", "role": null, "html": "\"Brown", "location": "OEBPS/page_10.xhtml#epubcfi(/4/2%5Bchapter4_page_container%5D/18%5Bchapter4_page11_captionHeader1%5D/2)" } ] }, "properties": { "hasManifestFallbacks": false, "hasBindings": false, "hasSVGContentDocuments": false, "hasFormElements": false, "hasMathML": false, "hasPageBreaks": false }, "earl:testSubject": { "url": "../../uploads/epub_accessibility/381a6b23-7e83-4006-9e68-76afd38115e6.epub", "metadata": { "dc:identifier": "urn:uuid:187", "dc:title": "horses_1up 1.pdf", "dc:language": "en", "dcterms:modified": "2026-03-14T11:42:38.280Z", "media:duration": "29.063s", "media:active-class": "-epub-media-overlay-active", "media:playback-speed": "1.00" }, "links": {}, "epubVersion": "3.0" }, "a11y-metadata": { "missing": [ "schema:accessMode", "schema:accessibilityFeature", "schema:accessibilityHazard", "schema:accessibilitySummary", "schema:accessModeSufficient", "a11y:certifiedBy", "a11y:certifierCredential", "a11y:certifierReport", "dcterms:conformsTo" ], "empty": [], "present": [] }, "assertions": [ { "@type": "earl:assertion", "earl:result": { "earl:outcome": "pass" }, "assertions": [], "earl:testSubject": { "url": "/OEBPS/nav.xhtml" } }, { "@type": "earl:assertion", "earl:result": { "earl:outcome": "fail" }, "assertions": [ { "@type": "earl:assertion", "earl:result": { "earl:outcome": "fail", "dct:description": "The language must be specified (xml:lang in OPF package)" }, "earl:assertedBy": "Ace", "earl:mode": "automatic", "earl:test": { "earl:impact": "serious", "dct:title": "epub-lang", "dct:description": "Ensures the OPF XML language is provided", "help": { "url": "http://kb.daisy.org/publishing/docs/epub/language.html", "dct:title": "Language", "dct:description": "Add the missing OPF xml:lang attribute" }, "rulesetTags": [ "EPUB" ] } }, { "@type": "earl:assertion", "earl:result": { "earl:outcome": "fail", "dct:description": "Publications must declare the 'schema:accessMode' metadata" }, "earl:assertedBy": "Ace", "earl:mode": "automatic", "earl:test": { "earl:impact": "serious", "dct:title": "metadata-accessmode", "dct:description": "Ensures a 'schema:accessMode' metadata is present", "help": { "url": 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"http://kb.daisy.org/publishing/docs/metadata/schema.org/index.html", "dct:title": "Schema.org Accessibility Metadata", "dct:description": "Add a 'schema:accessibilityHazard' metadata property to the Package Document" }, "rulesetTags": [ "EPUB" ] } }, { "@type": "earl:assertion", "earl:result": { "earl:outcome": "fail", "dct:description": "Publications must declare the 'schema:accessibilitySummary' metadata" }, "earl:assertedBy": "Ace", "earl:mode": "automatic", "earl:test": { "earl:impact": "moderate", "dct:title": "metadata-accessibilitysummary", "dct:description": "Ensures a 'schema:accessibilitySummary' metadata is present", "help": { "url": "http://kb.daisy.org/publishing/docs/metadata/schema.org/index.html", "dct:title": "Schema.org Accessibility Metadata", "dct:description": "Add a 'schema:accessibilitySummary' metadata property to the Package Document" }, "rulesetTags": [ "EPUB" ] } } ], "earl:testSubject": { "url": "content.opf", "dct:title": "horses_1up 1.pdf" } }, { "@type": 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