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· 9 checks — Internal links, mixed-content guards, Open Graph previews, and structured data rolled into one auditable list.
SCORE
86
GRADE
B
FIX
1
REVIEW
3
PASS
5
INFO
0
Checks
9
5 PASS 3 REVIEW 1 FIX
C
Image Optimization
Action
4 issues found across 22 images
REVIEW
4 issues found across 22 images
Warning::
17 images missing explicit width/height
Images without dimensions cause layout shifts (CLS). Set explicit width and height attributes.
Info::
1 below-fold images missing loading="lazy"
Lazy loading defers below-fold images, reducing initial page weight.
Info::
10 of 22 images use legacy formats
Info::
4 image(s) wider than 400px without srcset (no responsive serving)
These images deliver the same asset to every viewport (mobile, tablet, retina). Adding srcset / <picture> lets the browser pick a viewport-appropriate variant and typically saves 40-70% of bytes on mobile. Sample: https://minimaxh3.art/images/h3/hero-demo-0.jpg, https://minimaxh3.art/images/h3/show-1.webp, https://minimaxh3.art/images/h3/show-2.webp (+1 more).
B
Autoplay Media
1 autoplay media element(s) -- all muted
REVIEW
1 autoplay media element(s) -- all muted
Info::
1 autoplay media element(s) on page (muted)
Autoplay video transfers bytes whether the user engages or not -- a sustainability concern even when muted. Consider replacing with a static poster image and a click-to-play overlay; the user opts in to the bandwidth cost.
C
Brand Presence
Action
Site-name consistency, favicon, social image, meta tags, schema, and contact signals
REVIEW

Brand Presence

Your brand name differs across channels — visitors see inconsistent identity.

C

69/100

Site name appears as

Page title2K AI Video Generator with Audio
og:site_nameMiniMax H3
twitter:site
Organization.name

Inconsistent — names differ across channels

Brand assets

Favicon

15/15

covers multiple sizes + apple-touch-icon

Social share image

20/20

og:image + twitter:image set

Meta completeness

20/20

Organization schema

4/15

Organization schema present but missing all recommended fields

Contact info discoverable

5/10

mailto link

Findings

  • Brand name differs across channels — users see inconsistent identity
  • Organization schema missing logo — add a logo property pointing to a square PNG
  • Organization schema missing url — point it at the canonical homepage
  • Consider adding contactPoint — helps appear in "contact us" rich results
  • Only partial contact info discoverable — consider adding a dedicated contact page or mailto/tel link

How consistently your brand appears across channels — shared link previews, structured data, favicon, contact info.

A+
Mixed Content
No mixed content detected — all resources use HTTPS.
PASS
No mixed content detected — all resources use HTTPS.
Info::
No mixed content detected — all resources use HTTPS
A+
Open Graph
Open Graph tags are well configured for social sharing.
PASS
Open Graph tags are well configured for social sharing.

Preview

minimaxh3.art

MiniMax H3 (Hailuo 3.0) | 2K AI Video Generator with Audio

MiniMax H3 (Hailuo 3.0) creates native 2K AI video with synced audio—text-to-video and image-to-video in one studio. Independent service at minimaxh3.art.

Preview quality · Twitter/X A+ · 100/100
  • twitter:card — summary_large_image
  • twitter:title — MiniMax H3 (Hailuo 3.0) | 2K AI Video Generator with Audio
  • twitter:description — MiniMax H3 (Hailuo 3.0) creates native 2K AI video with synced audio—text-to-video and image-to-video in one studio. ...
  • twitter:image — https://minimaxh3.art/images/og-cover.jpg

MINIMAXH3.ART

MiniMax H3 (Hailuo 3.0) | 2K AI Video Generator with Audio

MiniMax H3 (Hailuo 3.0) creates native 2K AI video with synced audio—text-to-video and image-to-video in one studio. Independent service at minimaxh3.art.

Preview quality · Facebook A+ · 95/100

Description will be truncated (156 chars / 155 max)

  • og:title — MiniMax H3 (Hailuo 3.0) | 2K AI Video Generator with Audio
  • og:description — MiniMax H3 (Hailuo 3.0) creates native 2K AI video with synced audio—text-to-video and image-to-video in one studio. ...
  • og:image — https://minimaxh3.art/images/og-cover.jpg
  • og:type — website
  • og:url — https://minimaxh3.art/
  • og:site_name — MiniMax H3
  • Description will be truncated on Facebook (156 chars, max 155)

    → Tighten og:description to ≤155 characters

MiniMax H3 (Hailuo 3.0) | 2K AI Video Generator with Audio

minimaxh3.art

Preview quality · LinkedIn A+ · 95/100

Description will be truncated (156 chars / 150 max)

  • og:title — MiniMax H3 (Hailuo 3.0) | 2K AI Video Generator with Audio
  • og:description — MiniMax H3 (Hailuo 3.0) creates native 2K AI video with synced audio—text-to-video and image-to-video in one studio. ...
  • og:image — https://minimaxh3.art/images/og-cover.jpg
  • Description will be truncated on LinkedIn (156 chars, max 150)

    → Tighten og:description to ≤150 characters

minimaxh3.art

MiniMax H3 (Hailuo 3.0) | 2K AI Video Generator with Audio

MiniMax H3 (Hailuo 3.0) creates native 2K AI video with synced audio—text-to-video and image-to-video in one studio. Independent service at minimaxh3.art.

Preview quality · Slack A+ · 100/100
  • og:title — MiniMax H3 (Hailuo 3.0) | 2K AI Video Generator with Audio
  • og:description — MiniMax H3 (Hailuo 3.0) creates native 2K AI video with synced audio—text-to-video and image-to-video in one studio. ...
  • og:image — https://minimaxh3.art/images/og-cover.jpg

Social preview quality

Averaged across Twitter/X, Facebook, LinkedIn, and Slack.

A+ · 97/100
FieldTwitter/XFacebookLinkedInSlack
og:title
og:description
og:image
og:type
og:url
og:site_name
twitter:card
twitter:title
twitter:description
twitter:image
A+
Open Graph / Twitter Card Depth
OG image dimensions and Twitter card configuration look healthy
PASS
OG image dimensions and Twitter card configuration look healthy
Info::
OG/Twitter Card depth is clean -- dimensions, card type, and inheritance all valid
A
Structured Data
1 JSON-LD block(s) found — structured data is well configured.
PASS
1 JSON-LD block(s) found — structured data is well configured.
Warning::
Missing required property "name" for Organization
The "name" property is required for the Organization schema type.
Info::
Missing recommended property "url" for Organization
Adding "url" can improve how search engines display your content.
Info::
Missing recommended property "logo" for Organization
Adding "logo" can improve how search engines display your content.
Info::
Missing recommended property "sameAs" for Organization
Adding "sameAs" can improve how search engines display your content.

The "name" property is required for the Organization schema type.

Why this matters

Schema markup missing required properties is silently rejected by Google — your structured data appears in source but never as a rich result.

Learn more

Each schema.org type has required properties (Article needs headline + author + datePublished; Product needs name + offers; etc.). Missing them means Google's rich-result eligibility check fails. The Search Console Rich Results Test surfaces specific gaps. Fix the missing property; rich results re-appear within hours.

Source: Google Search Central / schema.org

Adding "url" can improve how search engines display your content.

Why this matters

Recommended schema properties unlock richer SERP layouts — without them you get the basic rich result instead of the enhanced one.

Learn more

Recommended properties expand what Google can render. E.g., adding aggregateRating to Product unlocks star ratings; adding image to Article unlocks the image-card variant. Each recommended property is a direct SERP-real-estate gain.

Source: Google Search Central / schema.org

Adding "logo" can improve how search engines display your content.

Why this matters

Recommended schema properties unlock richer SERP layouts — without them you get the basic rich result instead of the enhanced one.

Learn more

Recommended properties expand what Google can render. E.g., adding aggregateRating to Product unlocks star ratings; adding image to Article unlocks the image-card variant. Each recommended property is a direct SERP-real-estate gain.

Source: Google Search Central / schema.org

Adding "sameAs" can improve how search engines display your content.

Why this matters

Recommended schema properties unlock richer SERP layouts — without them you get the basic rich result instead of the enhanced one.

Learn more

Recommended properties expand what Google can render. E.g., adding aggregateRating to Product unlocks star ratings; adding image to Article unlocks the image-card variant. Each recommended property is a direct SERP-real-estate gain.

Source: Google Search Central / schema.org

JSON-LD Blocks

Block 1 : Organization
2 properties Valid
Missing required property: name
{
  "@context": "https://schema.org",
  "@graph": [
    {
      "@type": "Organization",
      "@id": "https://minimaxh3.art/#organization",
      "name": "MiniMax H3",
      "url": "https://minimaxh3.art",
      "logo": {
        "@type": "ImageObject",
        "url": "https://minimaxh3.art/images/icon.png"
      },
      "email": "support@minimaxh3.art",
      "description": "MiniMax H3 (Hailuo 3.0) creates native 2K AI video with synced audio—text-to-video and image-to-video in one studio. Independent service at minimaxh3.art.",
      "contactPoint": {
        "@type": "ContactPoint",
        "email": "support@minimaxh3.art",
        "contactType": "customer support",
        "url": "https://minimaxh3.art/about"
      }
    },
    {
      "@type": "WebSite",
      "@id": "https://minimaxh3.art/#website",
      "url": "https://minimaxh3.art",
      "name": "MiniMax H3",
      "description": "MiniMax H3 (Hailuo 3.0) creates native 2K AI video with synced audio—text-to-video and image-to-video in one studio. Independent service at minimaxh3.art.",
      "publisher": {
        "@id": "https://minimaxh3.art/#organization"
      },
      "inLanguage": "en"
    },
    {
      "@type": "WebPage",
      "@id": "https://minimaxh3.art/#webpage",
      "url": "https://minimaxh3.art/",
      "name": "MiniMax H3 (Hailuo 3.0) | 2K AI Video Generator with Audio",
      "description": "MiniMax H3 (Hailuo 3.0) creates native 2K AI video with synced audio—text-to-video and image-to-video in one studio. Independent service at minimaxh3.art.",
      "datePublished": "2026-07-30",
      "dateModified": "2026-07-31",
      "isPartOf": {
        "@id": "https://minimaxh3.art/#website"
      },
      "about": {
        "@id": "https://minimaxh3.art/#app"
      },
      "author": {
        "@id": "https://minimaxh3.art/#organization"
      },
      "publisher": {
        "@id": "https://minimaxh3.art/#organization"
      },
      "inLanguage": "en",
      "primaryImageOfPage": {
        "@type": "ImageObject",
        "url": "https://minimaxh3.art/images/og-cover.jpg"
      },
      "speakable": {
        "@type": "SpeakableSpecification",
        "cssSelector": [
          "h1",
          "#what-definition"
        ]
      }
    },
    {
      "@type": "SoftwareApplication",
      "@id": "https://minimaxh3.art/#app",
      "name": "MiniMax H3",
      "applicationCategory": "MultimediaApplication",
      "applicationSubCategory": "AI Video Generator",
      "operatingSystem": "Web",
      "url": "https://minimaxh3.art/",
      "description": "MiniMax H3 (Hailuo 3.0) creates native 2K AI video with synced audio—text-to-video and image-to-video in one studio. Independent service at minimaxh3.art.",
      "offers": {
        "@type": "Offer",
        "price": "0",
        "priceCurrency": "USD",
        "description": "Trial credits after sign-in when enabled; paid credit packs and subscriptions for MiniMax H3 video generation."
      },
      "author": {
        "@id": "https://minimaxh3.art/#organization"
      },
      "publisher": {
        "@id": "https://minimaxh3.art/#organization"
      },
      "provider": {
        "@id": "https://minimaxh3.art/#organization"
      }
    },
    {
      "@type": "FAQPage",
      "@id": "https://minimaxh3.art/#faq-section",
      "mainEntity": [
        {
          "@type": "Question",
          "name": "Is minimaxh3.art the official MiniMax / Hailuo product?",
          "acceptedAnswer": {
            "@type": "Answer",
            "text": "No. minimaxh3.art is an independent third-party AI video studio experience inspired by the MiniMax H3 / Hailuo 3.0 wave. We are not MiniMax, Hailuo AI, or their official website. For official apps and APIs, use MiniMax / Hailuo’s own channels."
          }
        },
        {
          "@type": "Question",
          "name": "What is MiniMax H3 or Hailuo 3.0 / 海螺3?",
          "acceptedAnswer": {
            "@type": "Answer",
            "text": "MiniMax H3 (also called Hailuo 3.0 / 海螺3) is a flagship AI video generation model line: native 2K, about 24fps cinematic motion, 15-second-class clips, text-to-video and image-to-video, multi-reference guidance, and synchronized audio (dialogue, SFX, atmosphere) in one pass. On this site you use it through a studio UI with accounts, credits, and plans."
          }
        },
        {
          "@type": "Question",
          "name": "Does MiniMax H3 support text-to-video and image-to-video?",
          "acceptedAnswer": {
            "@type": "Answer",
            "text": "Yes. Use text-to-video with a detailed prompt (subject, camera, lighting, dialogue/SFX). Use image-to-video with a start frame plus motion and style instructions. You can also guide style and character with reference assets when available in the studio."
          }
        },
        {
          "@type": "Question",
          "name": "How long are generated videos, and what resolution?",
          "acceptedAnswer": {
            "@type": "Answer",
            "text": "MiniMax H3 targets up to 15 seconds per generation at native 2K-class output, with multi-ratio framing (including 16:9 and 9:16). Exact length and quality options depend on your plan and current backend configuration."
          }
        },
        {
          "@type": "Question",
          "name": "How do credits and pricing work?",
          "acceptedAnswer": {
            "@type": "Answer",
            "text": "Successful generations consume credits by resolution and length tier. New users may receive trial credits after sign-in when enabled. Buy one-time packs or subscriptions on the pricing page for higher volume."
          }
        },
        {
          "@type": "Question",
          "name": "Can I use generated videos commercially?",
          "acceptedAnswer": {
            "@type": "Answer",
            "text": "Yes—you may use outputs commercially subject to our Terms of Service and your plan entitlements. You are responsible for rights to any reference images, music, brands, or likenesses you upload or depict."
          }
        },
        {
          "@type": "Question",
          "name": "How long does generation take?",
          "acceptedAnswer": {
            "@type": "Answer",
            "text": "Usually a few minutes, depending on queue, clip length, and resolution. Heavier jobs can take longer."
          }
        },
        {
          "@type": "Question",
          "name": "Does MiniMax H3 generate audio with the video?",
          "acceptedAnswer": {
            "@type": "Answer",
            "text": "Yes. Audio is produced together with the picture—dialogue, sound effects, and environmental atmosphere timed to on-screen action—so most short-form work does not need a separate sound-design pass. Always preview with sound on before export."
          }
        }
      ],
      "isPartOf": {
        "@id": "https://minimaxh3.art/#webpage"
      }
    }
  ]
}
A+
Rich Results Eligibility
1 JSON-LD block(s) declaring 5 schema type(s)
PASS
1 JSON-LD block(s) declaring 5 schema type(s)
Info::
5 rich-result schema type(s) declared
Inventory of structured-data types on the page (each may unlock a different SERP feature): FAQPage, Organization, SoftwareApplication, WebPage, WebSite Search engines decide whether to render rich results based on content quality + page-level signals; declaring the schema is necessary but not sufficient.
All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.

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