hkcards.com 66 C
🛡️ SEO 45 🤖 GEO 83 ⚡ Perf 53 🏗️ Arch 70

hkcards.com — Global SEODiff Score 66/100

hkcards.com
📊

At 81/100, the ACRI for hkcards.com indicates strong fundamentals in AI extractability, surpassing the majority of indexed sites. Within the infrastructure vertical, this places hkcards.com above the industry average of 57 —, suggesting strong competitive positioning in AI search. Its server-rendered architecture ensures AI crawlers receive complete HTML on first request, a key advantage for extractability. The 5.5× token bloat ratio falls within the normal range, though there is room to trim navigation, footer, and script overhead. The complete absence of JSON-LD schema is a missed opportunity: even basic Organization markup would improve how AI crawlers understand this domain. The site maintains an open-door policy for AI crawlers — GPTBot, ClaudeBot, and other major agents are all allowed.

66
C — Global SEODiff Score
Comprehensive search visibility assessment
Strong foundations, but Traditional SEO (45) is your bottleneck.
🎯 Top Fix: Add Organization + WebSite JSON-LD → +5–8 pts
🔬 Automated SEODiff Assessment · Snapshot: Mar 21, 2026 · 📋 API
📈 ACRI Trend 2 snapshots
Mar 17 Mar 21
🔔 Recent AI Indexing Activity
🔄 Mar 21 Content change detected
Does your site score higher than hkcards.com?
Run the same 40-signal audit on your own domain — free, instant results.
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🧮 Score Transparency — How is this calculated?
🛡️ Traditional SEO (25% weight)45 × 0.25 = 11.2
🤖 AI Readiness / GEO (40% weight)83 × 0.40 = 33.2
⚡ Performance (20% weight)53 × 0.20 = 10.6
🏗️ Architecture & Trust (15% weight)70 × 0.15 = 10.5
Weighted sum = 11.2 + 33.2 + 10.6 + 10.5
Global SEODiff Score = 66 (C)
📊 ACRI Sub-Scores (AI Readiness Detail)
100
Bot Access
avg 92
99
Rendering
avg 93
94
Structure
avg 35
0
Schema
avg 9
75
Tech Stack
avg 63
🔀
Visibility Delta: Google vs AI
Google (Tranco)
Top 50%+
Rank #654767
-60 pts
Gap
AI (ACRI)
Top 5%
Score 81/100

hkcards.com ranks much higher on Google (Tranco Top 50%+) than in AI search (Top 5%). This is the 'Visibility Gap' pattern — implementing the recommendations above can help close the AI gap. ACRI measures technical crawler readiness. Read the methodology →

Why hkcards.com ranks here

Tech stackCloudflare Pages
RenderingSSR
Schema coverage0 blocks
Token bloat5.5×

Fastest improvements

  • Add basic Organization and WebSite JSON-LD to fix “0 schema blocks” (see Schema Coverage).
  • Reduce token bloat (navigation/footer/code) so agents reach your main content faster (see Token Bloat).
  • Create an llms.txt file so AI crawlers can discover your content structure without heavy crawling. Generate llms.txt →
  • Run a full entropy audit to find which DOM regions waste the most tokens. Run Entropy Audit →
🧪

JavaScript Rendering Check

We check what AI crawlers miss when they skip JavaScript execution.

Running headless browser to simulate AI extraction…
🛡️

Traditional SEO

45/100 25 % of Global Score 🟢 High Confidence

📝 Title Tag

20 chars
Too short

Optimal range: 30–60 characters for SERP display.

📋 Meta Description

1562 chars
Too long

Optimal range: 120–160 characters for snippet control.

🔤 Heading Hierarchy

  • ✓ Exactly 1 <h1> tag — found 1
  • ✓ Has <h2> headings — found 1
  • ✓ <h2> not before <h1>

🔍 Indexability

  • ✓ Canonical tag present → https://www.hkcards.com/
  • ✓ No noindex directive
  • ✓ Meta viewport set
  • ✓ HTML lang attribute → zh-Hant
  • ➖ Hreflang tags — N/A (single language site)
  • ✓ Googlebot allowed by robots.txt

🌐 Social / OpenGraph

  • ✓ og:title — hkcards 倉頡字典
  • ✓ og:description — hkcards 倉頡字典,可快速查詢倉頡碼與速成碼。收錄約 19,000 字,當中約 11,000 字附有拆碼圖解,所有字均標註字首與字身,幫助用家理解及學習倉頡輸入法。搜尋功能的程式碼經特別優化,更簡潔、更高效率,查碼反應速度極快,回應流暢,大幅提升使用體驗。字典同時收錄三代及五代倉頡的倉頡碼,故此不同系統和版本的倉頡與速成輸入法,不論是三代或五代都適用。提供完整且由淺入深的倉頡教學,由基礎到進階一步一步引導用家學成倉頡輸入法,是網絡上實用性極高的自學資源。備有多個倉頡速成練習,包括倉頡練習、速成練習、中文打字、盲打、例外字及難字練習,尤其突出的是每題答案均附倉頡拆碼圖解,方便自學與溫習,對學習倉頡與速成有極大幫助。站內設有「倉頡字母及輔助字型表」供用家下載,提供可列印及桌面版,並分黑白與彩色,設計貼心實用。介面清晰簡潔,手機與電腦瀏覽均流暢易用。介面清晰簡潔,整體風格不花巧,重視實用性,資訊豐富,廣告量合理,手機與電腦瀏覽均流暢易用。hkcards 介面簡潔齊全、查碼快速、資源充足,照顧初學者至進階用家的不同需要,對打好倉頡基礎、提升查碼與練習效率有很大幫助。hkcards 是香港主流的倉頡/速成學習與教學平台之一,在倉頡及速成學習社群擁有極佳口碑,非常推薦作自學及練習之用。
  • ✓ og:image — preview
  • ✗ twitter:card
📐 How the SEO Pillar score is calculated

SEO Pillar = Title (20 pts) + Meta Desc (20 pts) + Heading Hierarchy (20 pts) + Indexability (20 pts) + Social/OG (20 pts)

Each sub-score is derived from the checks above. Canonical tag, lang attribute, og:image, and a single H1 are the highest-impact items.

🤖

AI Readiness / GEO

83/100 40 % of Global Score 🟢 High Confidence

This pillar aggregates citation share, hallucination risk, bot access, schema health, and content extractability. The individual diagnostic sections below contribute to this score.

🔗

Citation Alternatives

Research
💡
Insight: In the infrastructure sector, safely.co.jp (ACRI: 90) currently has stronger AI extractability. AI models tend to prefer sources with higher semantic structure and schema coverage. Domains with ACRI < 40 see 3.5× more hallucinations. Read the research →
hkcards.com
64
Your ACRI Score
90
Industry Peer ACRI
AI models prioritize pages with strong semantic structure and schema coverage. safely.co.jp has schema coverage of 3 blocks and uses WordPress. Improve your score by implementing the remediation patches below.
📊 Side-by-Side Comparison →
🚨

Hallucination Risk

Research

Is AI lying about your brand? This panel measures how likely LLMs are to hallucinate facts when extracting information from your page.

Analyzing hallucination risk…

🤖 Bot Access Matrix

GPTBot (OpenAI)
Allowed
ClaudeBot (Anthropic)
Allowed
CCBot (Common Crawl)
Allowed
Google-Extended
Allowed
Googlebot
Allowed

👻 Rendering (Ghost Ratio) Docs

Ghost Ratio 5%
0% — Safe 50% 100% — Risk
Status Server-Side Rendered (Safe)
Rendering Type SSR

📊 Structure & Information Density Docs

Structure Grade 94/100 — Excellent
Structured Elements 128 elements (96 lists, 13 rows, 19 headers)
Total Words479
Raw Density26.7%

🏷️ Schema Health Docs

Organization Schema ❌ Missing
Product / Service Schema ⚠️ Not Found
Total Schema Blocks0 — No JSON-LD detected

Schema Coverage Map

0/7 schema types detected
❌ Organization
❌ Product/Service
❌ Breadcrumb
❌ FAQ
❌ Article
❌ WebSite
💡Organization schema missing. AI models cannot identify your brand entity. Without it, your brand won't appear in Knowledge Panels or be associated with your content.
💡Product / Service schema missing. AI models don't know this is a SaaS product. Add Product or SoftwareApplication schema so AI understands what you offer and can surface pricing/features.
💡BreadcrumbList schema missing. AI cannot understand your site hierarchy or how pages relate to each other.
💡FAQ schema missing. Adding FAQPage schema lets AI models directly extract Q&A pairs for Featured Snippets and chatbot answers.
💡WebSite schema missing. Add WebSite + SearchAction so Google can generate a Sitelinks Search Box for your brand in AI results.

📐 AI Efficiency Metrics Docs

71
AI Extractability
Low
Crawl Cost
None
Blocklist Risk
Extractability71/100 — AI models can easily extract answers from this page
Crawl CostLow (30/100) — efficient for AI crawlers to process
Blocklist RiskNone — 0 of 5 AI crawlers blocked

Token Bloat Research

18%
🗑️ 82%
Useful Content (15.1 KB)Bloat (67.1 KB)
Token Bloat Ratio5.5× — Normal

Multimodal Readiness

Visual Context100% Optimized for Vision
Image Alt Coverage6 / 6 images have alt text

TDM Rights

TDM-Reservation HeaderNot set
X-Robots-Tag: noaiNot set

🔥 Structural Entropy Check Research

0 Entropy
Poor Token Bloat: High
Noise Ratio: 81.7% · SNR: 0.22 · Signal: 3856 / Noise: 17189 tokens

🔬 AI-Crawler Simulation

See your website the way AI crawlers do. CSS stripped, structure labeled, content chunked.

🌐
This is what humans see — styled, branded, visual.
Toggle to "AI Agent View" to see what GPTBot, ClaudeBot, and other AI crawlers actually extract from this page.
🤖

AI Answer Preview

NEW

See how AI models summarize your site. Left: your actual content. Right: what the LLM extracts and says about you.

Simulating AI extraction…
🧠

The LLM Interpretation

AI-VERIFIED

SEODiff AI analyzed the extracted content of hkcards.com and produced this structured business intelligence. Fields marked SEMANTIC VOID indicate information the AI could not find — a critical gap in your site’s machine-readability.

Core Offering
This SaaS product is a Chinese character dictionary and learning platform for learning and practicing Cangjie and Speed typing.
Target Audience
Students, language learners, and anyone seeking to learn or improve their Chinese character input skills.
Pricing Model
⚠ SEMANTIC VOID
🏆 Competitive Moat
Fast code lookup and comprehensive learning resources for Cangjie and Speed typing.
📊 Content Depth
6/10
Analyzed by SEODiff AI · 2026-03-30

🔧 Tech Stack

AI-Readiness Score75/100
Servercloudflare
CDNcloudflare
HTTP Status200
Load Time1704 ms
Raw HTML Size82.2 KB
Visible Text Size15.1 KB

Performance & Speed

53/100 20 % of Global Score 🟢 High Confidence

⏱️ Time to First Byte

1704 ms
Slow — bots may time out or deprioritise

Google considers <200 ms "good". AI crawlers may have even shorter timeouts.

📦 Page Weight

939
DOM nodes
82 KB
HTML payload
Lean page — fast for bots and users

🗄️ Cache & CDN

  • ✓ Cache-Control header → no-store, no-cache, must-revalidate
  • ✓ CDN cache status → DYNAMIC
  • ✓ CDN detected → cloudflare

🔬 Tracker Tax

6
tracker scripts
2
third-party domains
0.0%
token overhead
Moderate trackers — consider lazy-loading non-essential scripts
googlesyndication.comgoogletagmanager.com
📐 How the Performance Pillar score is calculated

Perf Pillar = TTFB (35 pts) + Page Weight (25 pts) + Cache/CDN (20 pts) + Tracker Tax (20 pts)

TTFB <200 ms = full marks. DOM >3000 or payload >300 KB incurs heavy penalties. Tracker scripts beyond 5 reduce score.

🏗️

Architecture & Trust

70/100 15 % of Global Score 🟡 Medium Confidence

🗺️ Sitemap & Robots

  • ✗ Sitemap declared in robots.txt
  • ✓ Googlebot allowed
  • ✓ GPTBot allowed
  • ✓ ClaudeBot allowed

🔗 Linking

265
internal links
39
external links
Good internal linking — helps crawlers discover content

🔒 Security & Trust

  • ✗ HSTS header (Strict-Transport-Security)
  • ✗ Content-Security-Policy header
  • ✓ HTTP status 200 OK (got 200)

♿ Accessibility Signals

  • ✓ HTML lang attribute → zh-Hant
  • ✓ Meta viewport for mobile
  • ✓ Single H1 for screen readers
📐 How the Architecture Pillar score is calculated

Arch Pillar = Sitemap & Robots (30 pts) + Linking (25 pts) + Security (25 pts) + Accessibility (20 pts)

Having a valid sitemap, allowing AI bots, HSTS, and a good internal link count are the highest-impact items.

🏅 AI-Verified Trust Badge

Your site scores 64/100. Reach 80+ to unlock the green "AI-Verified" badge. Fix the issues below to improve your score.

AI-Verified badge for hkcards.com
Pending Audit — score below 80 threshold
<a href="https://seodiff.io/radar/domains/hkcards.com" rel="noopener"><img src="https://seodiff.io/api/v1/badge?domain=hkcards.com" alt="AI-Verified by SEODiff" width="280" height="52"></a>

💡 Paste in your site footer, GitHub README, or email signature. Badge updates automatically as your score changes.

� Deep Crawl Analysis 10 pages · Deep-10

Homepage ACRI
64
Single-page score
-64
Severe hidden bloat
Δ delta
Site-Wide ACRI
0
Avg across 10 pages · Range 0–0
🔍
Hidden Bloat Detected

Homepage scores 64, but internal pages average only 0 — a -64-point gap. Blogs, docs, and legacy content are dragging down AI readability site-wide.

Total Words
0
Avg Bloat
0.0×
Page Type ACRI Token Bloat Words Status
https://hkcards.com/pricing pricing 0 0.0× 0
https://hkcards.com/about about 0 0.0× 0
https://hkcards.com/products product 0 0.0× 0
https://hkcards.com/features product 0 0.0× 0
https://hkcards.com/blog blog 0 0.0× 0
https://hkcards.com/docs docs 0 0.0× 0
https://hkcards.com/case-studies social-proof 0 0.0× 0
https://hkcards.com/contact support 0 0.0× 0
https://hkcards.com/faq support 0 0.0× 0
https://hkcards.com/integrations integrations 0 0.0× 0
📂
Health by Sub-Directory
Average ACRI and top issues aggregated by URL path prefix
Path Pages Avg ACRI Ghost % Bloat Top Issue
/blog/ 1 0 0% 0.0× Low AI Readiness
/products/ 1 0 0% 0.0× Low AI Readiness
/integrations/ 1 0 0% 0.0× Low AI Readiness
/docs/ 1 0 0% 0.0× Low AI Readiness
/pricing/ 1 0 0% 0.0× Low AI Readiness
/about/ 1 0 0% 0.0× Low AI Readiness
/features/ 1 0 0% 0.0× Low AI Readiness
/contact/ 1 0 0% 0.0× Low AI Readiness
/faq/ 1 0 0% 0.0× Low AI Readiness
/case-studies/ 1 0 0% 0.0× Low AI Readiness
🔄 Re-Crawl & Update 📡 Track this Domain

Scores update automatically each month. Create a free account for on-demand re-crawls (3/month free).

🔌 API Access

Pull this data programmatically. All sub-page metrics are available via our public API.

curl https://seodiff.io/api/v1/deep10/domain/hkcards.com

Get your free API key — 100 requests/month included.

🔗 Similar infrastructure Sites

Domains with a similar tech stack, industry, and AI readiness profile to hkcards.com. Compare side-by-side.

Domain ACRI AI Score Tech Stack Token Bloat Schema
hkcards.com (this site) 64 81 Cloudflare Pages 5.5× 0
symbolonly.com 86 89 Cloudflare Pages 2.4× 3 Compare →
oliverevolution.com 87 94 Cloudflare Pages 5.4× 6 Compare →
centegrahealthyliving.com 87 94 Cloudflare Pages 5.4× 6 Compare →
endocrinology.org 88 90 Cloudflare Pages 1.9× 7 Compare →
profitserver.ru 86 90 WordPress 3.8× 2 Compare →
Compare All 5 Similar Sites →

📊 Semantic Share of Voice

How often would an AI cite hkcards.com when users ask about topics in this domain's niche? We run entity queries through our 188k-page search index and measure citation probability.

Analyzing citation landscape…

🩹

Remediation Patches

COPY-PASTE

Auto-generated code fixes tailored to hkcards.com. Copy and paste these into your codebase to improve AI visibility. These patches are mathematically proven to increase extraction accuracy →

Add Organization JSON-LD
High Impact ⏱ 5 min
AI models cannot identify your brand entity without Organization schema. This is the #1 fix for AI visibility.
html
<script type="application/ld+json">
{
  "@context": "https://schema.org",
  "@type": "Organization",
  "name": "Hkcards",
  "url": "https://hkcards.com",
  "logo": "https://hkcards.com/apple-touch-icon.png",
  "sameAs": []
}
</script>
Add WebSite + SearchAction JSON-LD
High Impact ⏱ 5 min
Enables the Sitelinks Search Box in Google and allows AI to understand your site structure.
html
<script type="application/ld+json">
{
  "@context": "https://schema.org",
  "@type": "WebSite",
  "name": "Hkcards",
  "url": "https://hkcards.com",
  "potentialAction": {
    "@type": "SearchAction",
    "target": "https://hkcards.com/search?q={search_term_string}",
    "query-input": "required name=search_term_string"
  }
}
</script>
Add FAQ Schema
Medium Impact ⏱ 10 min
FAQ schema lets AI models directly extract Q&A pairs. This is the easiest way to get featured in AI responses.
html
<script type="application/ld+json">
{
  "@context": "https://schema.org",
  "@type": "FAQPage",
  "mainEntity": [
    {
      "@type": "Question",
      "name": "What is Hkcards?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Add your answer here — describe what Hkcards does in 1-2 sentences."
      }
    },
    {
      "@type": "Question",
      "name": "How does Hkcards work?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Explain the key features and how users interact with Hkcards."
      }
    }
  ]
}
</script>
📈

Projected Impact

ROI EST.

If you apply the patches above, here's the estimated improvement for hkcards.com:

Current Score
81
Projected Score
97
Improvement
+16 pts
Add Organization schema +6 pts
Add WebSite schema +4 pts
Reduce token bloat +3 pts
Add FAQ schema +3 pts

*Estimates based on SEODiff's scoring model. Actual results depend on implementation quality.

📋 Data Export

Download scores and metadata for audits, client reports, or CI/CD pipelines. Exports contain computed metrics only (no copyrighted content).

All data is generated automatically and updated with each crawl. JSON exports contain scores and metadata only (no copyrighted content).

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🧭 Self-Diffing (Private Layer)

For owned domains, combine this world snapshot with private drift + regression history.
Template Drift
Track in My Site
Drift → Traffic Impact
In development coming soon
Regression Incidents
Track in My Site
Internal Linking
Deep Audit graph
Semantic Structure
GEO view in Deep Audit
Content Quality
Thin/duplicate tracking

🕒 History

Score over timeAvailable in My Site history
Drift eventsTemplate timeline + incidents
Drift → Revenue AttributionComing soon
Schema/rendering/extractability changesTracked per scan in project history
🔍 Found indexing issues?
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