Video / Audio / MediaObject Schema Suite: 60 checks

ID	Check	Passes when	Weight	Runs
6.6.01	Detect VideoObject, AudioObject, or MediaObject schema	Present	Critical	Deterministic
6.6.02	Validate correct schema type (VideoObject / AudioObject / MediaObject)	Accurate	Critical	Deterministic
6.6.03	Validate name/title property is present	Yes	Heavy	Deterministic
6.6.04	Validate description meaningful and matches page context	Accurate	Heavy	Deterministic
6.6.05	Validate uploadDate in correct ISO format	Valid	Heavy	Deterministic
6.6.06	Validate duration present and ISO8601 formatted	Correct	Heavy	Deterministic
6.6.07	Validate contentUrl exists (not empty)	Present	Heavy	Deterministic
6.6.08	Validate embedUrl exists and loads successfully	200 status	Heavy	Deterministic
6.6.09	Validate thumbnailUrl present	Present	Heavy	Deterministic
6.6.10	Validate thumbnailUrl loads successfully (200)	OK	Heavy	Deterministic
6.6.11	Validate encodingFormat field	Correct	Medium	Deterministic
6.6.12	Validate bitrate and fileSize (if available)	Accurate	Medium	Deterministic
6.6.13	Validate author/publisher metadata if provided	Correct	Medium	Deterministic
6.6.14	Validate video quality metadata (SD/HD/4K) if present	Accurate	Medium	Deterministic
6.6.15	Validate transcript availability (inline, external, or caption file)	Present	Heavy	Deterministic
6.6.16	Validate caption file accessibility (VTT/SRT)	200 status	Heavy	Deterministic
6.6.17	Validate caption tracks labeled with correct language codes	Accurate	Heavy	Deterministic
6.6.18	Validate audio descriptions available (if required for accessibility)	Present	Medium	Deterministic
6.6.19	Validate closedCaptions property used correctly	Accurate	Medium	Deterministic
6.6.20	Validate spoken language detection inside transcript	Correct	Medium	Deterministic
6.6.21	Validate embedUrl is HTTPS and secure	HTTPS	Heavy	Deterministic
6.6.22	Validate player location is allowed (no blocked iFrames)	Allowed	Heavy	Deterministic
6.6.23	Validate responsive embed structures	Correct	Medium	Deterministic
6.6.24	Validate autoplay attributes (should not violate UX rules)	Correct	Medium	Deterministic
6.6.25	Validate loop, muted, and controls attributes	Correct	Medium	Deterministic
6.6.26	Validate schema references embedUrl correctly	Accurate	Medium	Deterministic
6.6.27	Validate multiple thumbnails (sd, mq, hq, mqdefault, maxres)	Present	Heavy	Deterministic
6.6.28	Validate alt text for preview images	Present	Medium	Deterministic
6.6.29	Validate AI-readable video summaries inside schema if available	Included	Medium	Deterministic
6.6.30	Validate additionalProperty fields for extended metadata	Present	Medium	Deterministic
6.6.31	Validate video included in video-sitemap.xml	Present	Heavy	Deterministic
6.6.32	Validate correct sitemap fields (thumbnailLoc, contentLoc, playerLoc)	Accurate	Heavy	Deterministic
6.6.33	Validate lastmod matches video uploadDate or page update	Consistent	Medium	Deterministic
6.6.34	Validate sitemap index includes video sitemap	Yes	Medium	Deterministic
6.6.35	Validate video schema matches on-page embedded video	High parity	Heavy	Deterministic
6.6.36	Validate no conflicting video metadata across OG tags, Twitter Cards, and JSON-LD	Consistent	Heavy	Deterministic
6.6.37	Validate VideoObject is tied to correct canonical URL	Exact	Medium	Deterministic
6.6.38	Validate no duplicate VideoObject entries	None	Medium	Deterministic
6.6.39	Validate placement of JSON-LD before </body> or in <head>	Correct	Medium	Deterministic
6.6.40	Validate rendered DOM matches raw HTML	Stable	Medium	Deterministic
6.6.41	Validate resolution metadata (width/height)	Present	Heavy	Deterministic
6.6.42	Validate correct aspectRatio	Accurate	Heavy	Deterministic
6.6.43	Validate quality scale metadata (SD/HD/4K)	Accurate	Medium	Deterministic
6.6.44	Validate frameRate metadata if provided	Correct	Medium	Deterministic
6.6.45	Validate colorProfile or HDR metadata (if applicable)	Accurate	Medium	Deterministic
6.6.46	Validate AudioObject has encodingFormat (mp3, wav, m4a)	Present	Heavy	Deterministic
6.6.47	Validate audio contentUrl loads successfully	200 status	Heavy	Deterministic
6.6.48	Validate audio transcript present (if required)	Present	Medium	Deterministic
6.6.49	Validate audio duration accuracy	Correct	Medium	Deterministic
6.6.50	Validate waveform or preview metadata (if available)	Accurate	Medium	Deterministic
6.6.51	Validate video transcript contains machine-readable segments	High quality	Heavy	Deterministic
6.6.52	Validate transcript and captions align with spoken audio	Accurate	Heavy	Deterministic
6.6.53	Validate semantic tagging inside captions (people, topics, places)	Present	Medium	Deterministic
6.6.54	Validate availability of multilingual captions if needed	Present	Medium	Deterministic
6.6.55	Validate video summarization fields where available	Present	Medium	Deterministic
6.6.56	Validate AI vectorization readiness of transcripts	High	Medium	Deterministic
6.6.57	Validate video passes Google Rich Results Test	Pass	Heavy	Deterministic
6.6.58	Validate schema passes Schema.org validator	Pass	Heavy	Deterministic
6.6.59	Validate no JavaScript errors prevent video schema rendering	None	Medium	Deterministic
6.6.60	Compute full Video/Audio/MediaObject composite score	>= 90%	Critical	Deterministic

6.6 Video / Audio / MediaObject Schema Suite

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